Twinned Golden Calcite Crystal from Elmwood Mine, Tennessee (260.6 grams)
Excellent matrix specimen of doubly-terminated golden calcite crystals with larger intersecting crystal with multiple terminations. This calcite cr...
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Excellent matrix specimen of doubly-terminated golden calcite crystals with larger intersecting crystal with multiple terminations. This calcite cr...
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From Jalgaon, Aurangabad District, Maharastra, India Very aesthetic, Lustrous transparent bi-colored apophyllite crystals with translucent pink sti...
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Penetrating twinned crystals of transparent golden yellow calcite with silky luster faces and sharp terminations. The twin orientation is well defi...
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From Nasik District, Maharashtra, India Large lustrous cluster of an acicular sprays of scolectite crystals on pink stilbite. The scolecite crystal...
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From Nandan County, Hechi, Guangxi, China Complex intersecting formation of lustrous gem translucent golden barite crystals with lustrous faces and...
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From Wagholi Quarry, Maharashtra, India Vibrant royal blue cavansite crystals in spherical aggregates on quartz microcrystal-coated matrix with sma...
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From Mogok, Sagaing Division, Myanmar (Burma) An excellent complex crystal of red Spinel crystals with deep cherry-red to translucent strawberry-re...
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Transparent cubo-octahedral purple fluorite crystals isolated across its matrix lined with calcite crystals. The fluorite has been internal phantom...
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From Pamir Mountains, Badakshan, Afghanistan Beautiful gemmy purple Scapolite crystal on feldspar matrix. Scapolite crystal have excellent color an...
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From Jeffrey Mine, Asbestos, Québec, Canada Sparkling cluster of large cluster of violet-colored vesuvianite crystals crystallized all around on gr...
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from Paprok, Kamdesh District, Nuristan Province, Afghanistan Superb specimen of lustrous Rubellite var. pink tourmaline crystals fully terminated ...
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From Huanggang Mine, Kèshíkèténg Qí, Chifeng, Inner Mongolia, China Pink mangano calcite flower. The pink color of the calcite is caused by mangane...
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From Yaogangxian Mine, Nanling Mountains, Hunan Province, China Huge cluster of fully crystallized, gem-purple fluorite crystals . The...
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From Huanzala Mine, Huallanca District, Huanuco Department, Peru Beautiful lustrous golden metallic Pyrite crystal cluster with well defined octahe...
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from Mount Gunson Area, South Australia, Australia The rich translucent green cubic halite crystals in an inter grown 360 formation over selenite...
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Transparent purple fluorite crystals with minor hemimorphite crystal matrix. The crystal is externally unblemished, and only one internal flaw, oth...
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Transparent 3d cubic purple fluorite crystals overgrown atop a cluster of lustrous sphalerite crystals . on matrix. The fluorite has rich purple zo...
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From Joplin, Missouri, USA An aesthetic formation of interconnected cubic galena crystals bright metallic luster all on gossan matrix. Undama...
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From Joplin, Jasper County, Missouri, USA Lustrous large single 1 inch blue steel colored galena crystals on matrix enriched with quartz and ...
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From Shigar Valley, Skardu, Baltistan, Gilgit-Baltistan, Pakistan Lustrous transparent orange-brown complete topaz crystals frozen in white surroun...
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from Bombay Quarry, Mumbai, Maharastra, India Heres a 2.5 inch triple penetrating crystal cluster of optical Calcite perched atop a drusy quartz ...
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From Caravia-Berbes District, Asturias, SpainHuge 4 inch single crystal of purple fluorite with rich translucent grape color and well define intern...
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From Agoudal Mine, Bou Azzer District, Anti-Atlas Mountains, Tazenakht, Ouarzazate, Morocco Lustrous translucent pink cobalt-rich calcite crystals ...
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From Bouismas Mine, Zagora, Morocco This is an exceptional example of well crystallized native Silver on Calcite on matrix. The Silver exhibits a w...
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Our president’s collection is profiled in the Mineralogical Record, Vol. 47 No. 4.1 — alongside the Smithsonian, the American Museum of Natural History and Yale Peabody.
Every specimen is one of one — the exact piece pictured.