{"product_id":"calcite-rosettes-in-smithsonite-pseudomorphs-after-sphalerite","title":"Calcite Rosettes in Smithsonite Pseudomorphs after Sphalerite","description":"\u003ch3\u003e\u003cspan\u003ePhosphorescent Calcite Rosettes in Smithsonite Pseudomorphs after Sphalerite – Monte Cristo Mine, Arkansas | 247 g\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThis fascinating mineral specimen from the historic Monte Cristo Mine in the Rush mining district of Arkansas features delicate, pale blue-white calcite rosettes nestled among intricate smithsonite pseudomorphs after sphalerite.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe specimen displays a wonderfully complex arrangement of rounded crystalline clusters, sparkling calcite formations, and earthy brown to golden matrix. The contrasting textures create a miniature mineral landscape, with delicate calcite rosettes scattered throughout naturally formed cavities and rugged, sculptural structures.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAn especially captivating feature of this specimen is its phosphorescence!\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Its UV-reactive calcite adds another dimension of interest, with the ability to continue glowing briefly after ultraviolet illumination is removed. This unusual optical property makes the specimen particularly appealing to collectors of fluorescent and phosphorescent minerals.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe combination of distinctive crystal formations, fascinating mineral replacement structures, and its historic Arkansas locality makes this a wonderful addition to any mineral collection.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMinerals:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Calcite Rosettes in Smithsonite Pseudomorphs after Sphalerite\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eLocality:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Monte Cristo Mine, Rush Mining District, Arkansas, USA\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eDimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 14 × 10 × 4 cm (5.51 × 3.94 × 1.57 inches)\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eWeight:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 247 g (8.71 oz)\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eMineral Class:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Carbonates (Calcite and Smithsonite)\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eSpecial Property:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Phosphorescent\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eDisplay:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Natural matrix specimen\u003c\/span\u003e\u003c\/p\u003e","brand":"Jaze Crystals and Minerals","offers":[{"title":"Default Title","offer_id":42489361137797,"sku":null,"price":45.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0601\/0591\/6549\/files\/IMG_0339.jpg?v=1793894396","url":"https:\/\/jazecrystalsandminerals.com\/products\/calcite-rosettes-in-smithsonite-pseudomorphs-after-sphalerite","provider":"Jaze Crystals and Minerals","version":"1.0","type":"link"}