{"product_id":"aegirine-with-fluorescent-feldspar-lulwe-malawi","title":"Aegirine with Fluorescent Feldspar – Lulwe, Malawi","description":"\u003ch4\u003eAbout This Specimen\u003c\/h4\u003e\u003cp\u003eThis miniature specimen from Lulwe, Malawi features an elongated black aegirine crystal accented by contrasting cream-white feldspar crystals. The largest blocky feldspar crystal crosses the aegirine at an angle, creating a distinctive sculptural profile, and the feldspar is reported by the seller to be fluorescent.\u003c\/p\u003e\u003ch4\u003eSpecimen Details\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMineral \/ Specimen Type:\u003c\/strong\u003e Aegirine with fluorescent feldspar\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocality:\u003c\/strong\u003e Lulwe, Malawi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm \u0026amp; Structure:\u003c\/strong\u003e Elongated, longitudinally striated aegirine prism with attached blocky feldspar crystals; mounted for display\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Opaque black aegirine with cream-white to pale gray feldspar and minor tan-brown surface material\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRarity:\u003c\/strong\u003e Uncommon as a well-formed aegirine-and-feldspar association from the supplied locality; aegirine itself is not considered rare\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMohs Hardness:\u003c\/strong\u003e Aegirine 6; feldspar approximately 6–6.5, depending on species\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLuster:\u003c\/strong\u003e Vitreous to slightly resinous on aegirine; subdued vitreous to pearly on feldspar\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemical Formula:\u003c\/strong\u003e Aegirine: NaFe\u003csup\u003e3+\u003c\/sup\u003eSi\u003csub\u003e2\u003c\/sub\u003eO\u003csub\u003e6\u003c\/sub\u003e; feldspar formula varies by species\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 × 1.4 × 4.5 cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecimen Weight:\u003c\/strong\u003e 6 g — mineral only\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal \/ Display Weight:\u003c\/strong\u003e 53.8 g\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eAbout Aegirine\u003c\/h4\u003e\u003cp\u003eAegirine is a sodium iron silicate and member of the pyroxene group, commonly recognized by its dark green-black to black color and elongated prismatic crystals. It has a Mohs hardness of approximately 6 and the formula NaFe\u003csup\u003e3+\u003c\/sup\u003eSi\u003csub\u003e2\u003c\/sub\u003eO\u003csub\u003e6\u003c\/sub\u003e; in this specimen, its dark striated form provides a strong visual contrast with the pale associated feldspar.\u003c\/p\u003e\u003ch4\u003eTraditional \u0026amp; Metaphysical Associations\u003c\/h4\u003e\u003cp\u003eIn crystal traditions, aegirine is associated with grounding, personal boundaries, and focused intention, while feldspar is often linked symbolically with creativity and self-awareness. These associations may be used in meditation, spiritual practice, or intentional display. \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 nearly vertical black aegirine prism and diagonally positioned cream-white feldspar create a bold, high-contrast composition from multiple viewing angles. Its compact mounted presentation makes it well suited to a miniature collection or small display space.\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":53372040577391,"sku":"MT-0070","price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/7563\/6335\/files\/aegirine-feldspar-malawi-front.jpg?v=1787876133","url":"https:\/\/mineraltreasury.com\/products\/aegirine-with-fluorescent-feldspar-lulwe-malawi","provider":"Mineral Treasury","version":"1.0","type":"link"}