{"title":"Mineral Specimens $100–$250","description":"\u003cp\u003eExplore mineral specimens priced from $100 to $250, featuring individually photographed pieces from mineral-producing localities around the world.\u003c\/p\u003e","products":[{"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"}],"url":"https:\/\/mineraltreasury.com\/collections\/mineral-specimens-100-250.oembed","provider":"Mineral Treasury","version":"1.0","type":"link"}