{"title":"Single Crystal Mineral Specimens","description":"\u003cp\u003eExplore single crystal mineral specimens featuring individual or dominant crystal formations. Browse individually photographed specimens from localities around the world.\u003c\/p\u003e","products":[{"product_id":"aquamarine-crystal-shigar-valley-pakistan","title":"Aquamarine Single Crystal — Shigar Valley, Pakistan","description":"\u003ch4\u003eAbout This Specimen\u003c\/h4\u003e\u003cp\u003eThis natural aquamarine from Shigar Valley is presented as a slender, upright single crystal with an icy, very pale blue color. Its elongated prismatic profile, partial transparency, and fine longitudinal growth lines give the small specimen a clean architectural appearance.\u003c\/p\u003e\u003ch4\u003eSpecimen Details\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMineral \/ Specimen Type:\u003c\/strong\u003e Natural aquamarine (beryl) mineral specimen\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocality:\u003c\/strong\u003e Shigar Valley, Skardu District, Gilgit Baltistan, Pakistan\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm \u0026amp; Structure:\u003c\/strong\u003e Mounted single prismatic crystal with longitudinal striations and a slightly asymmetrical upper edge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Very pale, nearly colorless blue with a slightly more saturated blue tone near the base\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRarity:\u003c\/strong\u003e Common as a mineral variety; distinct crystals from named localities remain collectible\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMohs Hardness:\u003c\/strong\u003e 7.5–8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLuster:\u003c\/strong\u003e Vitreous\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemical Formula:\u003c\/strong\u003e Be₃Al₂Si₆O₁₈\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecimen Size:\u003c\/strong\u003e Toenail\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 0.5 × 0.5 × 3.3 cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecimen Weight:\u003c\/strong\u003e 1.9 g (mineral only)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal \/ Display Weight:\u003c\/strong\u003e 49.5 g\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eAbout Aquamarine\u003c\/h4\u003e\u003cp\u003eAquamarine is the pale blue to blue-green variety of beryl, a hexagonal beryllium aluminum silicate with the formula Be₃Al₂Si₆O₁₈. It commonly forms elongated prismatic crystals with vitreous luster and lengthwise growth markings, and it measures 7.5–8 on the Mohs hardness scale.\u003c\/p\u003e\u003ch4\u003eTraditional \u0026amp; Metaphysical Associations\u003c\/h4\u003e\u003cp\u003eIn crystal traditions, aquamarine is associated with calm reflection, clear communication, courage, and imagery connected with water and travel. It is often selected for meditation, intention-setting, or a serene display space. \u003cem\u003eMetaphysical properties are based on traditional beliefs and are provided for cultural and informational purposes; they are not scientifically established or intended as medical advice.\u003c\/em\u003e\u003c\/p\u003e\u003ch4\u003eWhy This Specimen?\u003c\/h4\u003e\u003cp\u003eThe upright mounting emphasizes the crystal’s unusually slender proportions, subtle blue tint, and vertical surface lines. Its minimalist presentation and clear protective cover make it an appealing small-format display specimen.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExact specimen pictured.\u003c\/strong\u003e You will receive the exact specimen shown in the photographs.\u003c\/p\u003e","brand":"Mineral Treasury","offers":[{"title":"Default Title","offer_id":53291318018415,"sku":"MT-0006","price":35.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/7563\/6335\/files\/shigar-aquamarine-crystal-front.jpg?v=1787781583"},{"product_id":"aquamarine-crystal-shigar-valley-pakistan-1","title":"Aquamarine Crystal – Shigar Valley, Pakistan","description":"\u003ch4\u003eAbout This Specimen\u003c\/h4\u003e\u003cp\u003eThis natural aquamarine from Shigar Valley, Pakistan, is a slender thumbnail-size single crystal with a delicate icy-blue color. Its translucent body reveals internal veils and scattered dark inclusions, while the upright mounting presents its prismatic outline clearly.\u003c\/p\u003e\u003ch4\u003eSpecimen Details\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMineral \/ Specimen Type:\u003c\/strong\u003e Natural aquamarine, a blue variety of beryl\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocality:\u003c\/strong\u003e Shigar Valley, Skardu District, Gilgit Baltistan, Pakistan\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm \u0026amp; Structure:\u003c\/strong\u003e Mounted elongated prismatic single crystal with a broad, slightly irregular termination\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Very pale icy blue to nearly colorless blue, with small dark internal inclusions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRarity:\u003c\/strong\u003e Uncommon in collectible single-crystal form; aquamarine as a mineral variety is not rare\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMohs Hardness:\u003c\/strong\u003e 7.5–8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLuster:\u003c\/strong\u003e Vitreous\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemical Formula:\u003c\/strong\u003e Be\u003csub\u003e3\u003c\/sub\u003eAl\u003csub\u003e2\u003c\/sub\u003eSi\u003csub\u003e6\u003c\/sub\u003eO\u003csub\u003e18\u003c\/sub\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecimen Size:\u003c\/strong\u003e Thumbnail\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 1.2 × 0.7 × 2.2 cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecimen Weight:\u003c\/strong\u003e 4.3 g (mineral only)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal \/ Display Weight:\u003c\/strong\u003e 52.7 g\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eAbout Aquamarine\u003c\/h4\u003e\u003cp\u003eAquamarine is the pale blue to blue-green variety of beryl, a hexagonal beryllium aluminum silicate. Its color is generally associated with iron in the crystal structure, and its Mohs hardness of 7.5–8 contributes to both its gemological importance and its popularity as a collectible crystal species.\u003c\/p\u003e\u003ch4\u003eTraditional \u0026amp; Metaphysical Associations\u003c\/h4\u003e\u003cp\u003eIn crystal traditions, aquamarine is associated with calm communication, clarity, reflection, and symbolism connected with water and travel. Some collectors use it during meditation or intention-setting, while others simply appreciate its quiet color as a contemplative display piece. \u003cem\u003eMetaphysical properties are based on traditional beliefs and are provided for cultural and informational purposes; they are not scientifically established or intended as medical advice.\u003c\/em\u003e\u003c\/p\u003e\u003ch4\u003eWhy This Specimen?\u003c\/h4\u003e\u003cp\u003eThis compact crystal offers a clean upright silhouette, soft blue coloration, and visible internal character. The black display base provides strong contrast for its subtle color and translucent form.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExact specimen pictured.\u003c\/strong\u003e You will receive the exact specimen shown in the photographs.\u003c\/p\u003e","brand":"Mineral Treasury","offers":[{"title":"Default Title","offer_id":53294871576943,"sku":"MT-0007","price":19.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/7563\/6335\/files\/aquamarine-shigar-valley-front.jpg?v=1787781590"},{"product_id":"sapphire-crystal-specimen-madagascar","title":"Sapphire Single Crystal from Madagascar","description":"\u003ch4\u003eAbout This Specimen\u003c\/h4\u003e\u003cp\u003eThis Madagascar sapphire is a compact, upright crystal with a dark blue to blue-gray body color and a sturdy blocky profile. Rough transverse surface texture and subtly uneven faces preserve its natural, unpolished character.\u003c\/p\u003e\u003ch4\u003eSpecimen Details\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMineral \/ Specimen Type:\u003c\/strong\u003e Sapphire, a blue variety of corundum; mineral specimen\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocality:\u003c\/strong\u003e Madagascar\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm \u0026amp; Structure:\u003c\/strong\u003e Rough single crystal with a blocky, barrel-like prismatic form, transverse surface texture, and an abraded or incomplete termination\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Dark blue to blue-gray with muted gray surface accents\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRarity:\u003c\/strong\u003e Uncommon as a distinct collectible natural crystal; sapphire as a mineral variety is not inherently rare\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMohs Hardness:\u003c\/strong\u003e 9\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLuster:\u003c\/strong\u003e Typically vitreous to subadamantine; subdued on this specimen's rough surfaces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemical Formula:\u003c\/strong\u003e Al\u003csub\u003e2\u003c\/sub\u003eO\u003csub\u003e3\u003c\/sub\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecimen Size:\u003c\/strong\u003e Thumbnail\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 1.1 × 0.8 × 2.1 cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecimen Weight:\u003c\/strong\u003e 5.6 g, mineral only\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal \/ Display Weight:\u003c\/strong\u003e 54.1 g\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eAbout Sapphire\u003c\/h4\u003e\u003cp\u003eSapphire is the name traditionally applied to gem-quality corundum in colors other than red, with blue being its best-known expression. Corundum is aluminum oxide (Al\u003csub\u003e2\u003c\/sub\u003eO\u003csub\u003e3\u003c\/sub\u003e), crystallizes in the trigonal system, and ranks 9 on the Mohs scale, making it one of the hardest naturally occurring minerals.\u003c\/p\u003e\u003ch4\u003eTraditional \u0026amp; Metaphysical Associations\u003c\/h4\u003e\u003cp\u003eIn crystal traditions, blue sapphire is associated with wisdom, discipline, clarity, and focused intention. Some collectors use it symbolically during meditation or keep it as a display piece representing insight and personal integrity. \u003cem\u003eMetaphysical properties are based on traditional beliefs and are provided for cultural and informational purposes; they are not scientifically established or intended as medical advice.\u003c\/em\u003e\u003c\/p\u003e\u003ch4\u003eWhy This Specimen?\u003c\/h4\u003e\u003cp\u003eIts deep, restrained blue color and upright blocky silhouette give this small crystal a strong display presence. The textured natural surfaces offer appealing detail for collectors who prefer unpolished sapphire specimens.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExact specimen pictured.\u003c\/strong\u003e You will receive the exact specimen shown in the photographs.\u003c\/p\u003e","brand":"Mineral Treasury","offers":[{"title":"Default Title","offer_id":53354269639023,"sku":"MT-0014","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/7563\/6335\/files\/madagascar-sapphire-crystal-front.jpg?v=1787787802"},{"product_id":"sapphire-crystal-specimen-madagascar-1","title":"Sapphire Rough Crystal from Madagascar","description":"\u003ch4\u003eAbout This Specimen\u003c\/h4\u003e\u003cp\u003eThis compact sapphire specimen from Madagascar presents as a dark blue-gray, roughly blocky crystal with subdued faces and pale weathered markings across its surface. Its upright proportions and distinct color zoning from charcoal blue to gray give the small piece a strong thumbnail-scale presence.\u003c\/p\u003e\u003ch4\u003eSpecimen Details\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMineral \/ Specimen Type:\u003c\/strong\u003e Sapphire variety of corundum; rough mineral specimen\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocality:\u003c\/strong\u003e Madagascar\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm \u0026amp; Structure:\u003c\/strong\u003e Rough, blocky single crystal with truncated ends, worn edges, and irregular surface texture\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Dark blue-gray to charcoal blue with lighter gray areas and scattered pale surface markings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRarity:\u003c\/strong\u003e Uncommon as a natural collectible sapphire crystal of this form; sapphire as a mineral variety is not inherently rare\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMohs Hardness:\u003c\/strong\u003e 9\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLuster:\u003c\/strong\u003e Dull to subvitreous on the photographed surfaces; corundum may show vitreous to adamantine luster on fresher faces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemical Formula:\u003c\/strong\u003e Al₂O₃\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecimen Size:\u003c\/strong\u003e Thumbnail\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 1.5 × 1.2 × 1.9 cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecimen Weight:\u003c\/strong\u003e 9.7 g (mineral only)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal \/ Display Weight:\u003c\/strong\u003e 60 g\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eAbout Sapphire\u003c\/h4\u003e\u003cp\u003eSapphire is a gem variety of corundum, an aluminum oxide mineral in the trigonal crystal system. Corundum ranks 9 on the Mohs scale, making it one of the hardest naturally occurring minerals; trace elements can produce blue and many other sapphire colors, while red corundum is classified as ruby.\u003c\/p\u003e\u003ch4\u003eTraditional \u0026amp; Metaphysical Associations\u003c\/h4\u003e\u003cp\u003eIn crystal and spiritual traditions, blue sapphire is associated with wisdom, focus, integrity, and thoughtful intention. Some collectors use it as a symbolic meditation or display stone connected with clarity and self-discipline. \u003cem\u003eMetaphysical properties are based on traditional beliefs and are provided for cultural and informational purposes; they are not scientifically established or intended as medical advice.\u003c\/em\u003e\u003c\/p\u003e\u003ch4\u003eWhy This Specimen?\u003c\/h4\u003e\u003cp\u003eThe crystal's compact upright profile, deep blue-gray body color, and naturally worn texture create a rugged display aesthetic. Its nearly two-centimeter height makes it well suited to a thumbnail collection.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExact specimen pictured.\u003c\/strong\u003e You will receive the exact specimen shown in the photographs.\u003c\/p\u003e","brand":"Mineral Treasury","offers":[{"title":"Default Title","offer_id":53362503582063,"sku":"MT-0016","price":19.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/7563\/6335\/files\/madagascar-sapphire-crystal-front_abdc2d85-67bb-4f93-bcd3-b9f5ca210eca.jpg?v=1787787817"},{"product_id":"demantoid-garnet-from-kohe-belqeys-mountain","title":"Demantoid Garnet Crystal – Kohe Belqeys","description":"\u003ch4\u003eAbout This Specimen\u003c\/h4\u003e\u003cp\u003eThis substantial demantoid garnet from Kohe Belqeys presents as a rugged, subhedral crystal with olive-green coloration and locally translucent edges. Natural fractures and contact surfaces expose darker green interiors, while tan to rusty mineral material follows irregular seams across the specimen.\u003c\/p\u003e\u003ch4\u003eSpecimen Details\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMineral \/ Specimen Type:\u003c\/strong\u003e Demantoid garnet mineral specimen\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocality:\u003c\/strong\u003e Kohe Belqeys (Belqeys Mountain)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm \u0026amp; Structure:\u003c\/strong\u003e Subhedral, roughly equant garnet crystal with fractured and contacted surfaces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Olive to yellowish green with deep green areas and tan to rusty-orange seams\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRarity:\u003c\/strong\u003e Uncommon — demantoid is a sought-after green variety of andradite garnet, although this example is rough specimen-grade material\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMohs Hardness:\u003c\/strong\u003e 6.5–7\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLuster:\u003c\/strong\u003e Vitreous to locally resinous on exposed surfaces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemical Formula:\u003c\/strong\u003e Ca\u003csub\u003e3\u003c\/sub\u003eFe\u003csub\u003e2\u003c\/sub\u003e(SiO\u003csub\u003e4\u003c\/sub\u003e)\u003csub\u003e3\u003c\/sub\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecimen Size:\u003c\/strong\u003e Toenail\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 3.5 × 3.8 × 3.8 cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecimen Weight:\u003c\/strong\u003e 65.7 g (mineral only)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal \/ Display Weight:\u003c\/strong\u003e 112.8 g\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eAbout Demantoid Garnet\u003c\/h4\u003e\u003cp\u003eDemantoid is the green gem variety of andradite, a calcium-iron member of the garnet group. It crystallizes in the isometric system, has a Mohs hardness of 6.5–7, and is especially recognized for the bright luster seen in transparent gem material; natural specimens may also occur as darker, included, fractured, or partly opaque crystals.\u003c\/p\u003e\u003ch4\u003eTraditional \u0026amp; Metaphysical Associations\u003c\/h4\u003e\u003cp\u003eIn crystal traditions, green garnets are associated with vitality, confidence, prosperity, and connection with the natural world. Demantoid may be kept for meditation, intention-setting, symbolic renewal, or simply as an earthy green display piece. \u003cem\u003eMetaphysical properties are based on traditional beliefs and are provided for cultural and informational purposes; they are not scientifically established or intended as medical advice.\u003c\/em\u003e\u003c\/p\u003e\u003ch4\u003eWhy This Specimen?\u003c\/h4\u003e\u003cp\u003eThe specimen offers a bold, compact silhouette with varied olive-green tones and contrasting tan-orange seams. Its rough faces, internal fractures, and darker green core areas provide visual interest from multiple viewing angles.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExact specimen pictured.\u003c\/strong\u003e You will receive the exact specimen shown in the photographs.\u003c\/p\u003e","brand":"Mineral Treasury","offers":[{"title":"Default Title","offer_id":53362766315887,"sku":"MT-0017","price":65.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/7563\/6335\/files\/demantoid-garnet-kohe-belqeys-front.jpg?v=1787787947"},{"product_id":"sapphire-crystal-specimen-madagascar-2","title":"Sapphire Crystal Specimen from Madagascar","description":"\u003ch4\u003eAbout This Specimen\u003c\/h4\u003e\u003cp\u003eThis sapphire specimen from Madagascar displays a compact, upright crystal form in dark indigo-blue to blue-gray tones. Its blocky prismatic profile, small projecting side growth, and naturally weathered surfaces give the piece a distinctive silhouette despite its modest thumbnail size.\u003c\/p\u003e\u003ch4\u003eSpecimen Details\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMineral \/ Specimen Type:\u003c\/strong\u003e Sapphire variety of corundum; rough mineral specimen\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocality:\u003c\/strong\u003e Madagascar\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm \u0026amp; Structure:\u003c\/strong\u003e Elongated, blocky prismatic crystal with a partial side growth and worn or incomplete terminations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Dark indigo blue to blue-gray, approaching near-black in thicker areas, with scattered pale gray surface patches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRarity:\u003c\/strong\u003e Common as nongem corundum material; attractive natural collector crystals vary considerably in quality\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMohs Hardness:\u003c\/strong\u003e 9\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLuster:\u003c\/strong\u003e Dull to weakly vitreous on the weathered surfaces shown\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemical Formula:\u003c\/strong\u003e Al₂O₃\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecimen Size:\u003c\/strong\u003e Thumbnail\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 1.6 × 1.1 × 2.1 cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecimen Weight:\u003c\/strong\u003e 8.1 g — mineral only\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal \/ Display Weight:\u003c\/strong\u003e 56.6 g\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eAbout Sapphire\u003c\/h4\u003e\u003cp\u003eSapphire is a color variety of corundum, an aluminum oxide mineral with the formula Al₂O₃. Corundum crystallizes in the trigonal system and has a Mohs hardness of 9, second only to diamond among standard reference minerals; the blue coloration associated with sapphire commonly results from trace elements within the crystal structure.\u003c\/p\u003e\u003ch4\u003eTraditional \u0026amp; Metaphysical Associations\u003c\/h4\u003e\u003cp\u003eIn crystal and spiritual traditions, sapphire is associated with wisdom, integrity, focused intention, and contemplative practice. Some collectors use it as a symbolic object for meditation or place it on display as a reminder of clarity and personal discipline. \u003cem\u003eMetaphysical properties are based on traditional beliefs and are provided for cultural and informational purposes; they are not scientifically established or intended as medical advice.\u003c\/em\u003e\u003c\/p\u003e\u003ch4\u003eWhy This Specimen?\u003c\/h4\u003e\u003cp\u003eThe upright form, deep subdued blue color, and small lateral projection create an engaging profile from multiple viewing angles. Its compact mounted presentation makes it well suited to a thumbnail display or introductory corundum collection.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExact specimen pictured.\u003c\/strong\u003e You will receive the exact specimen shown in the photographs.\u003c\/p\u003e","brand":"Mineral Treasury","offers":[{"title":"Default Title","offer_id":53363046580591,"sku":"MT-0023","price":19.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/7563\/6335\/files\/madagascar-sapphire-crystal-front_f3e97767-cf02-4e10-8700-508e7d98202c.jpg?v=1787787846"},{"product_id":"red-phantom-quartz-crystal-from-telangana-india","title":"Quartz with Red Phantoms – Telangana, South India","description":"\u003ch4\u003eAbout This Specimen\u003c\/h4\u003e\u003cp\u003eThis red phantom quartz from Telangana, South India, features burgundy-red internal zones suspended within a transparent to translucent terminated crystal. The angular inclusions create shifting phantom-like patterns from different viewing angles, with a small yellow-brown area visible near the base.\u003c\/p\u003e\u003ch4\u003eSpecimen Details\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMineral \/ Specimen Type:\u003c\/strong\u003e Red Phantom Quartz Crystal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocality:\u003c\/strong\u003e Telangana, South India\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm \u0026amp; Structure:\u003c\/strong\u003e Single prismatic quartz crystal with a natural termination, internal phantom zoning, inclusions, and fractures\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Mostly colorless to faintly pink quartz with burgundy, muted brick-red, and minor yellow-brown internal coloration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRarity:\u003c\/strong\u003e Uncommon presentation—quartz is common, but visually distinct red phantom zoning is less frequently encountered\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMohs Hardness:\u003c\/strong\u003e 7\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLuster:\u003c\/strong\u003e Vitreous\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemical Formula:\u003c\/strong\u003e SiO₂\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecimen Size:\u003c\/strong\u003e Miniature\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 2.4 × 2.1 × 4.3 cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecimen Weight:\u003c\/strong\u003e 27.8 g (mineral only)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal \/ Display Weight:\u003c\/strong\u003e 77.7 g\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eAbout Quartz\u003c\/h4\u003e\u003cp\u003eQuartz is a trigonal silica mineral with the formula SiO₂ and a Mohs hardness of 7. Its familiar prismatic crystals commonly terminate in rhombohedral faces, while “phantoms” are internal outlines that reflect earlier stages of crystal growth, often made visible by included or deposited mineral material.\u003c\/p\u003e\u003ch4\u003eTraditional \u0026amp; Metaphysical Associations\u003c\/h4\u003e\u003cp\u003eIn crystal traditions, clear quartz is associated with clarity, focus, and intention-setting, while red coloration is symbolically linked with grounding, vitality, and determination. Phantom quartz is also used as a contemplative symbol of growth, change, and layered experience. \u003cem\u003eMetaphysical properties are based on traditional beliefs and are provided for cultural and informational purposes; they are not scientifically established or intended as medical advice.\u003c\/em\u003e\u003c\/p\u003e\u003ch4\u003eWhy This Specimen?\u003c\/h4\u003e\u003cp\u003eThe well-defined termination and transparent outer quartz provide a clear window into the specimen’s layered burgundy-red interior. Its upright form and changing phantom patterns make it especially effective as a compact display crystal.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExact specimen pictured.\u003c\/strong\u003e You will receive the exact specimen shown in the photographs.\u003c\/p\u003e","brand":"Mineral Treasury","offers":[{"title":"Default Title","offer_id":53363879182703,"sku":"MT-0033","price":45.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/7563\/6335\/files\/red-phantom-quartz-front.jpg?v=1787789542"},{"product_id":"demantoid-garnet-crystal-kohe-belqeys","title":"Demantoid Garnet Crystal from Kohe Belqeys","description":"\u003ch4\u003eAbout This Specimen\u003c\/h4\u003e\u003cp\u003eThis demantoid garnet from Kohe Belqeys (Belqeys Mountain) is a compact, isolated crystal with an equant outline and several broad planar surfaces. Its muted olive-green body color shifts toward yellow-brown and reddish-brown across weathered areas, while stronger lighting brings out a vitreous to resinous sheen.\u003c\/p\u003e\u003ch4\u003eSpecimen Details\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMineral \/ Specimen Type:\u003c\/strong\u003e Demantoid garnet mineral specimen\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocality:\u003c\/strong\u003e Kohe Belqeys (Belqeys Mountain)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm \u0026amp; Structure:\u003c\/strong\u003e Isolated subhedral, equant crystal with broad planar surfaces and uneven weathered areas\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Olive green to yellow-brown with reddish-brown patches and darker green-brown areas\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRarity:\u003c\/strong\u003e Uncommon — demantoid is a less common variety of andradite garnet; this example is not presented as gem grade\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMohs Hardness:\u003c\/strong\u003e 6.5–7\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLuster:\u003c\/strong\u003e Vitreous to resinous on exposed surfaces, becoming duller over weathered areas\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemical Formula:\u003c\/strong\u003e Ca3Fe2(SiO4)3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecimen Size:\u003c\/strong\u003e Thumbnail\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 2.3 × 2.0 × 2.3 cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecimen Weight:\u003c\/strong\u003e 16.7 g — mineral only\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal \/ Display Weight:\u003c\/strong\u003e 61.7 g\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eAbout Demantoid Garnet\u003c\/h4\u003e\u003cp\u003eDemantoid is the green variety of andradite, a calcium-iron member of the garnet group that crystallizes in the isometric system. Its green coloration commonly reflects minor chromium substitution, while individual specimens range from transparent gem material to opaque collector crystals; andradite has a Mohs hardness of 6.5–7 and the formula Ca3Fe2(SiO4)3.\u003c\/p\u003e\u003ch4\u003eTraditional \u0026amp; Metaphysical Associations\u003c\/h4\u003e\u003cp\u003eIn crystal traditions, green garnets such as demantoid are associated with renewal, confidence, abundance, and intention-setting. Collectors may use them as symbolic meditation objects or as natural display pieces representing growth and perseverance. \u003cem\u003eMetaphysical properties are based on traditional beliefs and are provided for cultural and informational purposes; they are not scientifically established or intended as medical advice.\u003c\/em\u003e\u003c\/p\u003e\u003ch4\u003eWhy This Specimen?\u003c\/h4\u003e\u003cp\u003eThis compact crystal offers an earthy olive palette, a strong upright silhouette, and contrasting glossy and weathered surfaces. Its thumbnail size makes it easy to display while preserving a substantial single-crystal appearance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExact specimen pictured.\u003c\/strong\u003e You will receive the exact specimen shown in the photographs.\u003c\/p\u003e","brand":"Mineral Treasury","offers":[{"title":"Default Title","offer_id":53366756802927,"sku":"MT-0040","price":45.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/7563\/6335\/files\/demantoid-garnet-kohe-belqeys-front_5a39098f-42fb-44e5-b643-e9d6dd8b4858.jpg?v=1787790713"},{"product_id":"demantoid-garnet-kohe-belqeys-crystal-specimen","title":"Demantoid Garnet Crystal – Kohe Belqeys","description":"\u003ch4\u003eAbout This Specimen\u003c\/h4\u003e\u003cp\u003eThis demantoid garnet from Kohe Belqeys (Belqeys Mountain) presents as a substantial, blocky crystal with muted olive- to yellow-green coloration. Its translucent body, reflective natural surfaces, irregular etching, and small areas of brownish-orange staining give the piece a distinctly natural character.\u003c\/p\u003e\u003ch4\u003eSpecimen Details\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMineral \/ Specimen Type:\u003c\/strong\u003e Demantoid garnet, an andradite garnet variety\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocality:\u003c\/strong\u003e Kohe Belqeys (Belqeys Mountain), Iran\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm \u0026amp; Structure:\u003c\/strong\u003e Blocky, subhedral single crystal with partially developed faces, surface etching, and irregular edge wear\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Translucent olive and yellow-green with darker green areas and localized brownish-orange staining\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRarity:\u003c\/strong\u003e Uncommon as collector material; fine transparent demantoid crystals are considerably scarcer than weathered or included examples\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMohs Hardness:\u003c\/strong\u003e 6.5–7\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLuster:\u003c\/strong\u003e Vitreous to resinous, with brighter reflections on smoother faces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemical Formula:\u003c\/strong\u003e Ca\u003csub\u003e3\u003c\/sub\u003eFe\u003csub\u003e2\u003c\/sub\u003e(SiO\u003csub\u003e4\u003c\/sub\u003e)\u003csub\u003e3\u003c\/sub\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecimen Size:\u003c\/strong\u003e Toenail\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 1.6 × 2.6 × 2.2 cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecimen Weight:\u003c\/strong\u003e 13.5 g — mineral only\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal \/ Display Weight:\u003c\/strong\u003e 61.4 g\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eAbout Demantoid Garnet\u003c\/h4\u003e\u003cp\u003eDemantoid is the green variety of andradite, a calcium-iron garnet belonging to the isometric crystal system. Its color can range from yellow-green and olive to vivid green, while its notably high dispersion makes transparent gem-quality material especially prized; as andradite, it has a Mohs hardness of 6.5–7 and the formula Ca\u003csub\u003e3\u003c\/sub\u003eFe\u003csub\u003e2\u003c\/sub\u003e(SiO\u003csub\u003e4\u003c\/sub\u003e)\u003csub\u003e3\u003c\/sub\u003e.\u003c\/p\u003e\u003ch4\u003eTraditional \u0026amp; Metaphysical Associations\u003c\/h4\u003e\u003cp\u003eIn crystal traditions, green garnets are associated with vitality, confidence, prosperity, and purposeful personal growth. Collectors may use demantoid as a symbolic display piece for intention-setting or meditation. \u003cem\u003eMetaphysical properties are based on traditional beliefs and are provided for cultural and informational purposes; they are not scientifically established or intended as medical advice.\u003c\/em\u003e\u003c\/p\u003e\u003ch4\u003eWhy This Specimen?\u003c\/h4\u003e\u003cp\u003eThis compact crystal offers a pleasing upright display profile, with changing olive-green tones and flashes of luster as it is viewed from different angles. Its visible etching, natural edge wear, and warm surface accents make it an appealing locality specimen rather than a polished gem.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExact specimen pictured.\u003c\/strong\u003e You will receive the exact specimen shown in the photographs.\u003c\/p\u003e","brand":"Mineral Treasury","offers":[{"title":"Default Title","offer_id":53366797828463,"sku":"MT-0044","price":45.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/7563\/6335\/files\/demantoid-garnet-kohe-belqeys-front_a6b9f181-1caa-4d53-9cc5-def560bba113.jpg?v=1787790486"},{"product_id":"tourmaline-pink-cap-bi-color-crystal-from-afghanistan","title":"Tourmaline – Pink-Cap Bi-Color Crystal, Afghanistan","description":"\u003ch4\u003eAbout This Specimen\u003c\/h4\u003e\u003cp\u003eThis slender tourmaline crystal displays distinct longitudinal color zoning, progressing from vivid yellow-green through a nearly colorless transition to a soft pink cap. Its elongated prismatic form, visible striations, and transparent to translucent appearance give the small crystal an elegant, architectural presence.\u003c\/p\u003e\u003ch4\u003eSpecimen Details\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMineral \/ Specimen Type:\u003c\/strong\u003e Pink-cap bi-color tourmaline crystal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocality:\u003c\/strong\u003e Afghanistan\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm \u0026amp; Structure:\u003c\/strong\u003e Slender, longitudinally striated prismatic single crystal with a faceted termination\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Yellow-green lower section transitioning through very pale green to a soft pink termination\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRarity:\u003c\/strong\u003e Uncommon as an attractive, distinctly zoned bi-color collector crystal; tourmaline as a mineral group is widespread\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMohs Hardness:\u003c\/strong\u003e 7–7.5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLuster:\u003c\/strong\u003e Vitreous\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemical Formula:\u003c\/strong\u003e XY\u003csub\u003e3\u003c\/sub\u003eZ\u003csub\u003e6\u003c\/sub\u003e(T\u003csub\u003e6\u003c\/sub\u003eO\u003csub\u003e18\u003c\/sub\u003e)(BO\u003csub\u003e3\u003c\/sub\u003e)\u003csub\u003e3\u003c\/sub\u003eV\u003csub\u003e3\u003c\/sub\u003eW (generalized tourmaline-group formula)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecimen Size:\u003c\/strong\u003e Miniature\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 0.5 × 0.47 × 4.8 cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecimen Weight:\u003c\/strong\u003e 2.4 g (mineral only)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal \/ Display Weight:\u003c\/strong\u003e 51.5 g\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eAbout Tourmaline\u003c\/h4\u003e\u003cp\u003eTourmaline is a chemically diverse group of trigonal borosilicate minerals known for elongated, vertically striated crystals and an exceptional range of colors. Green-to-pink zoning is frequently associated with lithium-rich tourmaline, but determining the precise species requires compositional testing; tourmaline-group minerals have a Mohs hardness of 7–7.5 and a vitreous luster.\u003c\/p\u003e\u003ch4\u003eTraditional \u0026amp; Metaphysical Associations\u003c\/h4\u003e\u003cp\u003eIn crystal traditions, green tourmaline is associated with growth, vitality, and connection with nature, while pink tourmaline symbolizes compassion and emotional warmth. Bi-color crystals are often used in meditation or intention-setting as symbols of balance and transition. \u003cem\u003eMetaphysical properties are based on traditional beliefs and are provided for cultural and informational purposes; they are not scientifically established or intended as medical advice.\u003c\/em\u003e\u003c\/p\u003e\u003ch4\u003eWhy This Specimen?\u003c\/h4\u003e\u003cp\u003eThe crystal's unusually slender proportions emphasize its crisp vertical striations and clear green-to-pink transition. Mounted upright for viewing, it makes a refined miniature display with strong color contrast despite its delicate size.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExact specimen pictured.\u003c\/strong\u003e You will receive the exact specimen shown in the photographs.\u003c\/p\u003e","brand":"Mineral Treasury","offers":[{"title":"Default Title","offer_id":53366844981615,"sku":"MT-0046","price":145.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/7563\/6335\/files\/afghan-pink-cap-tourmaline-front.jpg?v=1787790588"},{"product_id":"aquamarine-crystal-from-shigar-valley-pakistan","title":"Aquamarine Crystal — Shigar Valley, Pakistan","description":"\u003ch4\u003eAbout This Specimen\u003c\/h4\u003e\u003cp\u003eThis natural aquamarine from Pakistan’s Shigar Valley is a slender, pale-blue single crystal measuring 2.8 cm tall. Its transparent upper prism, reflective terminal faces, and softly textured lower growth zone give the compact specimen a distinctive two-part appearance.\u003c\/p\u003e\u003ch4\u003eSpecimen Details\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMineral \/ Specimen Type:\u003c\/strong\u003e Natural aquamarine crystal, a variety of beryl\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocality:\u003c\/strong\u003e Shigar Valley, Skardu District, Gilgit Baltistan, Pakistan\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm \u0026amp; Structure:\u003c\/strong\u003e Single prismatic crystal with terminal faces, longitudinal features, and an irregular lower growth zone\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Very pale icy blue to light blue-green, with stronger color near the base\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRarity:\u003c\/strong\u003e Common as a mineral variety; transparent, well-formed collector crystals are more selectively encountered\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMohs Hardness:\u003c\/strong\u003e 7.5–8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLuster:\u003c\/strong\u003e Vitreous\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemical Formula:\u003c\/strong\u003e Be\u003csub\u003e3\u003c\/sub\u003eAl\u003csub\u003e2\u003c\/sub\u003eSi\u003csub\u003e6\u003c\/sub\u003eO\u003csub\u003e18\u003c\/sub\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecimen Size:\u003c\/strong\u003e Toenail\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 1.1 × 1.0 × 2.8 cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecimen Weight:\u003c\/strong\u003e 4.6 g — mineral only\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal \/ Display Weight:\u003c\/strong\u003e 52.7 g\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eAbout Aquamarine\u003c\/h4\u003e\u003cp\u003eAquamarine is the blue to blue-green gem variety of beryl, a hexagonal beryllium aluminum silicate. Its color is generally associated with iron within the crystal structure, while its hardness of 7.5–8 and typically vitreous luster help make well-formed crystals especially appealing to mineral and gem collectors.\u003c\/p\u003e\u003ch4\u003eTraditional \u0026amp; Metaphysical Associations\u003c\/h4\u003e\u003cp\u003eIn crystal traditions, aquamarine is associated with calm communication, clarity, courage, and imagery connected with the sea. Collectors may use it for meditation, intention-setting, or as a tranquil blue display piece. \u003cem\u003eMetaphysical properties are based on traditional beliefs and are provided for cultural and informational purposes; they are not scientifically established or intended as medical advice.\u003c\/em\u003e\u003c\/p\u003e\u003ch4\u003eWhy This Specimen?\u003c\/h4\u003e\u003cp\u003eThe upright single-crystal presentation emphasizes the specimen’s slender proportions, glassy faces, pale color, and brighter blue lower zone. Its compact scale makes it an attractive choice for a thumbnail or toenail-size display.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExact specimen pictured.\u003c\/strong\u003e You will receive the exact specimen shown in the photographs.\u003c\/p\u003e","brand":"Mineral Treasury","offers":[{"title":"Default Title","offer_id":53372020490607,"sku":"MT-0055","price":45.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/7563\/6335\/files\/aquamarine-shigar-valley-front_57d697a8-e3be-4771-978d-4f4662468e11.jpg?v=1787790603"},{"product_id":"sapphire-rough-crystal-from-madagascar","title":"Sapphire Rough Crystal Specimen – Madagascar","description":"\u003ch4\u003eAbout This Specimen\u003c\/h4\u003e\u003cp\u003eThis rough sapphire specimen from Madagascar forms a tall, blocky crystal with a dark blue-gray to nearly black appearance. Its weathered, reflective surfaces and scattered cream-colored patches create visual contrast, while the upright mounting gives the piece a strong display profile.\u003c\/p\u003e\u003ch4\u003eSpecimen Details\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMineral \/ Specimen Type:\u003c\/strong\u003e Sapphire, a variety of corundum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocality:\u003c\/strong\u003e Madagascar\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm \u0026amp; Structure:\u003c\/strong\u003e Rough, elongated prismatic single crystal with abraded faces and a flattened upper surface\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Dark blue-gray to blue-black with subtle greenish-gray areas and scattered cream-colored surface patches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRarity:\u003c\/strong\u003e Common in opaque rough grades; transparent, gem-quality sapphire is considerably scarcer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMohs Hardness:\u003c\/strong\u003e 9\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLuster:\u003c\/strong\u003e Vitreous on reflective areas, grading to dull on weathered surfaces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemical Formula:\u003c\/strong\u003e Al₂O₃\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecimen Size:\u003c\/strong\u003e Miniature\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 1.9 × 1.9 × 4.3 cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecimen Weight:\u003c\/strong\u003e 39.5 g — mineral only\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal \/ Display Weight:\u003c\/strong\u003e 87.7 g\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eAbout Sapphire\u003c\/h4\u003e\u003cp\u003eSapphire is a color variety of corundum, an aluminum oxide mineral with a Mohs hardness of 9. Although best known for blue gem material, sapphire occurs in many colors; its hues result from trace elements within the corundum structure. Natural specimens may preserve barrel-shaped or prismatic forms even when their surfaces are weathered or opaque.\u003c\/p\u003e\u003ch4\u003eTraditional \u0026amp; Metaphysical Associations\u003c\/h4\u003e\u003cp\u003eIn crystal and spiritual traditions, sapphire is associated with wisdom, integrity, focus, and intention-setting. Dark sapphire specimens are often selected for contemplative displays or meditation practices centered on discipline and inner clarity. \u003cem\u003eMetaphysical properties are based on traditional beliefs and are provided for cultural and informational purposes; they are not scientifically established or intended as medical advice.\u003c\/em\u003e\u003c\/p\u003e\u003ch4\u003eWhy This Specimen?\u003c\/h4\u003e\u003cp\u003eThis piece offers a bold upright silhouette, deep blue-black color, and rugged natural texture in a compact display size. Pale surface accents break up the dark crystal faces and add character from multiple viewing angles.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExact specimen pictured.\u003c\/strong\u003e You will receive the exact specimen shown in the photographs.\u003c\/p\u003e","brand":"Mineral Treasury","offers":[{"title":"Default Title","offer_id":53372030615919,"sku":"MT-0065","price":28.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/7563\/6335\/files\/madagascar-sapphire-crystal-front_d44d1aaf-a89c-4bea-9e6b-2830eb4605b3.jpg?v=1787875798"},{"product_id":"mango-quartz-single-crystal-boyaca-colombia","title":"Mango Quartz Single Crystal – Boyacá, Colombia","description":"\u003ch4\u003eAbout This Specimen\u003c\/h4\u003e\u003cp\u003eThis Mango Quartz specimen from Boyacá, Colombia, is a slender single crystal with warm golden-yellow color concentrated around its pointed termination. The color gradually fades into a clearer lower prism, giving the 3.9 cm crystal attractive vertical zoning and a clean display profile.\u003c\/p\u003e\u003ch4\u003eSpecimen Details\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMineral \/ Specimen Type:\u003c\/strong\u003e Mango Quartz (Halloysite Quartz) mineral specimen\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocality:\u003c\/strong\u003e Boyacá, Colombia\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm \u0026amp; Structure:\u003c\/strong\u003e Slender, singly terminated prismatic crystal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Pale golden to creamy yellow at the termination, transitioning into near-colorless quartz toward the base\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRarity:\u003c\/strong\u003e Uncommon as a named Colombian collector variety; quartz itself is common\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMohs Hardness:\u003c\/strong\u003e 7\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLuster:\u003c\/strong\u003e Vitreous\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemical Formula:\u003c\/strong\u003e SiO₂\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecimen Size:\u003c\/strong\u003e Miniature\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 0.95 × 1.2 × 3.9 cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecimen Weight:\u003c\/strong\u003e 6.7 g — mineral only\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal \/ Display Weight:\u003c\/strong\u003e 55.4 g\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eAbout Mango Quartz\u003c\/h4\u003e\u003cp\u003eMango Quartz is a commercial name applied to yellow-toned quartz specimens from Colombia that are commonly attributed to halloysite inclusions or coatings. The host mineral is quartz, a trigonal silicon dioxide mineral with a Mohs hardness of 7, vitreous luster, and characteristic prismatic crystals terminated by rhombohedral faces.\u003c\/p\u003e\u003ch4\u003eTraditional \u0026amp; Metaphysical Associations\u003c\/h4\u003e\u003cp\u003eIn crystal traditions, quartz is associated with clarity, focus, and intention-setting, while yellow-colored stones are often linked symbolically with optimism, confidence, and creativity. These associations may make Mango Quartz appealing for meditation, personal reflection, or uplifting display arrangements. \u003cem\u003eMetaphysical properties are based on traditional beliefs and are provided for cultural and informational purposes; they are not scientifically established or intended as medical advice.\u003c\/em\u003e\u003c\/p\u003e\u003ch4\u003eWhy This Specimen?\u003c\/h4\u003e\u003cp\u003eThe crystal's upright prismatic form, defined termination, and gradual transition from clear to mango-yellow create an appealing miniature display. Its compact mounted presentation highlights the warm upper color from multiple viewing angles.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExact specimen pictured.\u003c\/strong\u003e You will receive the exact specimen shown in the photographs.\u003c\/p\u003e","brand":"Mineral Treasury","offers":[{"title":"Default Title","offer_id":53405717594479,"sku":"MT-0071","price":25.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/7563\/6335\/files\/mango-quartz-boyaca-front.jpg?v=1788193657"},{"product_id":"kunzite-pale-pink-bladed-crystal-from-afghanistan","title":"Kunzite Pale Pink Bladed Crystal from Afghanistan","description":"\u003ch4\u003eAbout This Specimen\u003c\/h4\u003e\u003cp\u003eThis Afghan kunzite is an elongated, blade-like crystal fragment with pale lavender-pink color and strong vertical striations across its broad faces. Its narrow side profile contrasts with the wider front view, while transparent to translucent areas admit light through the crystal.\u003c\/p\u003e\u003ch4\u003eSpecimen Details\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMineral \/ Specimen Type:\u003c\/strong\u003e Kunzite (pink spodumene) mineral specimen\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocality:\u003c\/strong\u003e Afghanistan\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm \u0026amp; Structure:\u003c\/strong\u003e Elongated, bladed single-crystal fragment with longitudinal striations and incomplete or cleaved ends\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Very pale pink to lavender-pink, becoming nearly colorless through portions of the broad faces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRarity:\u003c\/strong\u003e Uncommon as a collectible crystal specimen; kunzite is sought after, although the species is not considered rare\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMohs Hardness:\u003c\/strong\u003e 6.5–7\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLuster:\u003c\/strong\u003e Vitreous, with pearly reflections possible on cleavage surfaces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemical Formula:\u003c\/strong\u003e LiAlSi\u003csub\u003e2\u003c\/sub\u003eO\u003csub\u003e6\u003c\/sub\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecimen Size:\u003c\/strong\u003e Miniature\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 2.7 × 0.5 × 4.9 cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecimen Weight:\u003c\/strong\u003e 13.0 g (mineral only)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal \/ Display Weight:\u003c\/strong\u003e 63.4 g\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eAbout Kunzite\u003c\/h4\u003e\u003cp\u003eKunzite is the pink to lilac variety of spodumene, a lithium aluminum silicate that crystallizes in the monoclinic system. Its color is generally associated with trace manganese, and crystals commonly show elongated habits, pronounced lengthwise striations, and perfect cleavage that makes careful handling important.\u003c\/p\u003e\u003ch4\u003eTraditional \u0026amp; Metaphysical Associations\u003c\/h4\u003e\u003cp\u003eIn modern crystal traditions, kunzite is associated with compassion, emotional openness, tranquility, and heart-centered intention-setting. Some collectors use its gentle pink color as a visual focus during meditation or keep it as a symbolic display piece. \u003cem\u003eMetaphysical properties are based on traditional beliefs and are provided for cultural and informational purposes; they are not scientifically established or intended as medical advice.\u003c\/em\u003e\u003c\/p\u003e\u003ch4\u003eWhy This Specimen?\u003c\/h4\u003e\u003cp\u003eThe broad, finely striated faces and slender blade-like profile give this piece a different appearance as it is viewed from each side. Its delicate lavender-pink color presents attractively against the included-style black display base and beneath the clear protective cover shown.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExact specimen pictured.\u003c\/strong\u003e You will receive the exact specimen shown in the photographs.\u003c\/p\u003e","brand":"Mineral Treasury","offers":[{"title":"Default Title","offer_id":53406832296303,"sku":"MT-0085","price":35.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/7563\/6335\/files\/afghanistan-kunzite-crystal-front.jpg?v=1788232611"},{"product_id":"aquamarine-crystal-with-mica-shigar-valley-pakistan","title":"Aquamarine Crystal with Mica — Shigar Valley, Pakistan","description":"\u003ch4\u003eAbout This Specimen\u003c\/h4\u003e\u003cp\u003eThis natural aquamarine from Shigar Valley, Pakistan, is represented by a transparent to translucent hexagonal prism with a very pale icy-blue color. Dark linear features near the upper crystal and a contrasting brown micaceous association add visual detail, while the mounted presentation makes the thumbnail-sized piece easy to display.\u003c\/p\u003e\u003ch4\u003eSpecimen Details\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMineral \/ Specimen Type:\u003c\/strong\u003e Natural aquamarine crystal with a brown micaceous association\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocality:\u003c\/strong\u003e Shigar Valley, Skardu District, Gilgit-Baltistan, Pakistan\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm \u0026amp; Structure:\u003c\/strong\u003e Single hexagonal prismatic crystal with a broad basal termination, internal veils, and an attached micaceous mineral\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Very pale icy blue to nearly colorless, with tan-brown material along one side and the base\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRarity:\u003c\/strong\u003e Uncommon as a collectible gem-variety crystal; aquamarine specimens from northern Pakistan are established in the collector market and are not considered rare overall\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMohs Hardness:\u003c\/strong\u003e 7.5–8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLuster:\u003c\/strong\u003e Vitreous\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemical Formula:\u003c\/strong\u003e Be3Al2Si6O18\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecimen Size:\u003c\/strong\u003e Toenail\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 1.6 × 1.4 × 2.7 cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecimen Weight:\u003c\/strong\u003e 10.6 g (mineral only)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal \/ Display Weight:\u003c\/strong\u003e 56.0 g\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eAbout Aquamarine\u003c\/h4\u003e\u003cp\u003eAquamarine is the blue to blue-green gem variety of beryl, a hexagonal beryllium aluminum silicate with the formula Be3Al2Si6O18. Its elongated prismatic crystals, vitreous luster, and Mohs hardness of 7.5–8 make well-formed natural examples desirable to both mineral and gemstone collectors.\u003c\/p\u003e\u003ch4\u003eTraditional \u0026amp; Metaphysical Associations\u003c\/h4\u003e\u003cp\u003eIn crystal traditions, aquamarine is associated with calm reflection, clear communication, courage, and imagery connected with the sea. Some people use it as a meditation focus, display symbol, or aid for personal intention-setting. \u003cem\u003eMetaphysical properties are based on traditional beliefs and are provided for cultural and informational purposes; they are not scientifically established or intended as medical advice.\u003c\/em\u003e\u003c\/p\u003e\u003ch4\u003eWhy This Specimen?\u003c\/h4\u003e\u003cp\u003eThe upright pale-blue prism displays pleasing transparency, strong vertical form, and contrasting brown micaceous material at the base. Dark linear features near the broad termination give this compact crystal additional character when viewed closely.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExact specimen pictured.\u003c\/strong\u003e You will receive the exact specimen shown in the photographs.\u003c\/p\u003e","brand":"Mineral Treasury","offers":[{"title":"Default Title","offer_id":53406879940975,"sku":"MT-0088","price":45.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/7563\/6335\/files\/aquamarine-shigar-valley-front_e865ffe3-54ea-4951-afdd-71bfab6f1991.jpg?v=1788233012"},{"product_id":"herkimer-diamond-quartz-with-rainbow-fractures-new-york","title":"Herkimer Diamond Quartz with Rainbow Fractures – New York","description":"\u003ch4\u003eAbout This Specimen\u003c\/h4\u003e\u003cp\u003eThis Herkimer Diamond from the Ace of Diamonds Mine is a naturally double-terminated quartz crystal with a broad, asymmetrical profile. Its transparent-to-translucent interior contains abundant veils and fractures that produce bright reflections and localized rainbow flashes, while scattered dark material adds visual contrast.\u003c\/p\u003e\u003ch4\u003eSpecimen Details\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMineral \/ Specimen Type:\u003c\/strong\u003e Herkimer Diamond — double-terminated quartz crystal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocality:\u003c\/strong\u003e Ace of Diamonds Mine, Middleville, Herkimer County, New York, United States\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm \u0026amp; Structure:\u003c\/strong\u003e Short, double-terminated single crystal with internal fractures and localized contact or chipped areas\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Predominantly colorless to cloudy white, with smoky-gray areas, dark inclusions or remnant material, and small rainbow flashes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRarity:\u003c\/strong\u003e Common mineral species; authentic crystals from this named New York locality remain highly collectible\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMohs Hardness:\u003c\/strong\u003e 7\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLuster:\u003c\/strong\u003e Vitreous\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemical Formula:\u003c\/strong\u003e SiO₂\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecimen Size:\u003c\/strong\u003e Miniature\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 4.1 × 1.8 × 2.6 cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecimen Weight:\u003c\/strong\u003e 22.1 g — mineral only\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal \/ Display Weight:\u003c\/strong\u003e 74.4 g\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eAbout Herkimer Diamond\u003c\/h4\u003e\u003cp\u003eHerkimer Diamond is the traditional trade name for unusually clear, naturally double-terminated quartz crystals associated with the Herkimer County region of New York. Despite the name, these specimens are quartz rather than diamond; they crystallize in the trigonal system, have a vitreous luster, a Mohs hardness of 7, and the chemical formula SiO₂.\u003c\/p\u003e\u003ch4\u003eTraditional \u0026amp; Metaphysical Associations\u003c\/h4\u003e\u003cp\u003eIn crystal traditions, Herkimer Diamonds are associated with clarity, focused intention, meditation, and the symbolic amplification of personal goals. Their bright, reflective interiors also make them popular as contemplative objects and meaningful display pieces. \u003cem\u003eMetaphysical properties are based on traditional beliefs and are provided for cultural and informational purposes; they are not scientifically established or intended as medical advice.\u003c\/em\u003e\u003c\/p\u003e\u003ch4\u003eWhy This Specimen?\u003c\/h4\u003e\u003cp\u003eThis crystal offers a distinctly sculptural double-terminated outline, lively internal reflections, and small spectral flashes visible from select angles. Its dark inclusions and irregular contact areas provide natural contrast and character rather than the uniform appearance of a polished stone.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExact specimen pictured.\u003c\/strong\u003e You will receive the exact specimen shown in the photographs.\u003c\/p\u003e","brand":"Mineral Treasury","offers":[{"title":"Default Title","offer_id":53406905106799,"sku":"MT-0090","price":39.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/7563\/6335\/files\/herkimer-diamond-quartz-side-view.jpg?v=1788233258"}],"url":"https:\/\/mineraltreasury.com\/collections\/single-crystal-mineral-specimens.oembed","provider":"Mineral Treasury","version":"1.0","type":"link"}