{"product_id":"creedite-fluorite-specimen","title":"CREEDITE, FLUORITE and CHALCOPYRITE (most likely), Mapimi Durango Mexico (large cabinet)","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan lang=\"EN-AU\"\u003eThis Creedite and Fluorite specimen\u003c\/span\u003e\u003c\/b\u003e\u003cspan lang=\"EN-AU\"\u003e from Mapimi, Durango, Mexico, is a remarkable large cabinet piece for any collector.\u003c\/span\u003e\u003c\/p\u003e \u003cp class=\"MsoNormal\"\u003e\u003cspan lang=\"EN-AU\"\u003eCreedite is a mineral composed of calcium, aluminum, sulfate, and fluorine, represented by Ca3Al2SO4(F,OH)10·2(H2O).\u003c\/span\u003e\u003c\/p\u003e \u003cp class=\"MsoNormal\"\u003e\u003cspan lang=\"EN-AU\"\u003eIt forms prismatic crystals that are colorless, white, or purple, often appearing as delicate, acicular sprays of fine prisms.\u003c\/span\u003e\u003c\/p\u003e \u003cp class=\"MsoNormal\"\u003e\u003cspan lang=\"EN-AU\"\u003eIts translucency is characterized by refractive indices of nα = 1.461, nβ = 1.478, and nγ = 1.485, showing a glassy luster.\u003c\/span\u003e\u003c\/p\u003e \u003cp class=\"MsoNormal\"\u003e\u003cspan lang=\"EN-AU\"\u003eWith a Mohs hardness of 3.5 to 4 and a specific gravity of 2.7, this mineral is relatively soft and lightweight for its size.\u003c\/span\u003e\u003c\/p\u003e \u003cp class=\"MsoNormal\"\u003e\u003cspan lang=\"EN-AU\"\u003eFirst identified in 1916 in Colorado, Creedite arises from the intense oxidation of ore deposits found in high-grade veins.\u003c\/span\u003e\u003c\/p\u003e \u003ch2\u003eFeatures of this Creedite and Fluorite specimen\u003c\/h2\u003e \u003cp class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan lang=\"EN-AU\"\u003eFluorite\u003c\/span\u003e\u003c\/b\u003e\u003cspan lang=\"EN-AU\"\u003e, also known as fluorspar, is the mineral variant of calcium fluoride, represented by the formula CaF2.\u003c\/span\u003e\u003c\/p\u003e \u003cp class=\"MsoNormal\"\u003e\u003cspan lang=\"EN-AU\"\u003eIt is a halide mineral that typically forms in an isometric cubic structure, though octahedral shapes are also quite common.\u003c\/span\u003e\u003c\/p\u003e \u003cp class=\"MsoNormal\"\u003e\u003cspan lang=\"EN-AU\"\u003eAccording to the Mohs scale, Fluorite is assigned a hardness value of 4, determined through specific scratch resistance comparisons.\u003c\/span\u003e\u003c\/p\u003e \u003cp class=\"MsoNormal\"\u003e\u003cspan lang=\"EN-AU\"\u003eThis Mexican mineral display showcases a complex crystalline growth that and fascinates both geologists and mineral enthusiasts.\u003c\/span\u003e\u003c\/p\u003e \u003cp class=\"MsoNormal\"\u003e\u003cspan lang=\"EN-AU\"\u003eAcquiring a mineral sample of this quality is a solid hobby investment, much like tracking the \"s and p 500\" for growth.\u003c\/span\u003e\u003c\/p\u003e \u003cp class=\"MsoNormal\"\u003e\u003cspan lang=\"EN-AU\"\u003eThe aesthetic balance of these minerals makes them perfect for \"his and hers\" shared collections or professional office displays.\u003c\/span\u003e\u003c\/p\u003e \u003cp class=\"MsoNormal\"\u003e\u003cspan lang=\"EN-AU\"\u003eThe vibrant purple and white hues ensure this piece stands out in any large cabinet lighting arrangement.\u003c\/span\u003e\u003c\/p\u003e \u003cp class=\"MsoNormal\"\u003e\u003cspan lang=\"EN-AU\"\u003eDetailed mineralogy involves studying the specific gravity \"and\" chemical composition to confirm the identity of every single crystal.\u003c\/span\u003e\u003c\/p\u003e \u003cp class=\"MsoNormal\"\u003e\u003cspan lang=\"EN-AU\"\u003eChalcopyrite has not yet been confirmed on this piece, though it is most likely present based on typical Mapimi associations.\u003c\/span\u003e\u003c\/p\u003e \u003cp class=\"MsoNormal\"\u003e\u003cspan lang=\"EN-AU\"\u003eThis Mexican specimen remains a classic example of the unique hydrothermal activity found in the mines of the Durango region.\u003c\/span\u003e\u003c\/p\u003e","brand":"Crystals2Collect A.C.N 651.525.727 Pty Ltd","offers":[{"title":"140 80 120 990","offer_id":52557129318676,"sku":"140 80 120 990","price":0.0,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/2047\/9764\/files\/20250202_150727.jpg?v=1779190481","url":"https:\/\/crystals2collect.com\/products\/creedite-fluorite-specimen","provider":"Crystals2Collect ","version":"1.0","type":"link"}