#mineral
Black/gray/brown scheelite crystal from the Tae Hwa Mine, North Chungcheong Province, South Korea. Scheelite is an ore of tungsten. Shown exhibiting the classic blue fluorescence under short wave ultraviolet light, under white light, and showing the red fluorescence that is sometimes seen under mid-wave ultraviolet light. The nearly equilateral triangle edges measure approximately 1 ¾ inches or 4.4 cm.
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Stichtite with Serpentine
Locality: Stichtite Hill, Dundas, West Coast Municipality, Tasmanis, Australia
Type Locality
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Tinzenite and Quartz on Rhodonite
Locality: Molinello Mine, Ne, Graveglia Valley, Genova Province, Liguria, Italy
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Native Bismuth and Quartz on Native Arsenic
Locality: Pöhla-Tellerhäuser Mine, Schwarzenberg, Erzgebirge, Saxony, Germany
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Sphalerite, Chalcopyrite, and Quartz with minor Pyrite
Locality: Trepča Stan Terg Mine, Trepča, Kosovska Mitrovica, Kosovo
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Scapolite with Diopside displaying fluorescence
Locality: Grenville Scapolite Prospect, Grenville-sur-la-Rouge, Laurentides, Québec, Canada
375 nm (Longwave) UV Light
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Pentlandite with Chalcopyrite (± Violarite, Pyrrhotite, and Magnetite)
Locality: Sudbury District, Ontario, Canada
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Heterosite
Locality: Sandamap Pegmatite, Sandamap North Farm 115, Dâures, Erongo Region, Namibia
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Sodalite var. Hackmanite with Richterite displaying fluorescence and tenebrescence
Locality: Koksha Valley, Badakhschan Province, Afghanistan
375 nm (Longwave) UV Light
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Axinite-Fe and Barite on matrix
Locality: Clemensberg Quarry, Hildfeld, Winterberg, Arnsberg, North Rhine-Westphalia, Germany
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Axinite-Mg (Magnesioaxinite)
Locality: Loma del Enjambradero Quarry, El Zurcido, Adamuz, Córdoba, Andalusia, Spain
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Ussingite with Sodalite var. Hackmanite displaying fluorescence
Locality: Greenland
375nm (Longwave) UV Light
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Ludwigite on Matrix
Locality: Pöhla-Tellerhäuser Mine, Schwarzenberg, Erzgebirge, Saxony, Germany
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Olivine partially replaced by Serpentine displaying fluorescence
Locality: Unknown
375nm (Longwave) UV Light
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Halite on Trona displaying fluorescence
Locality: Searles Lake, California, U.S.
375 nm (Longwave) UV Light
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Wulfenite with Mimetite on Galena matrix
Locality: Plaka Mines, Plaka, Lavrion District, Attiki Prefecture, Greece
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Gypsum var. “Golden” Selenite displaying fluorescence
Locality: Unknown
375 nm (Longwave) UV Light
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Afghanite partially replaced by Lapis Lazuli displaying fluorescence
Locality: Ladjuar Madan, Kokcha Valley, Badakhshan, Afghanistan
375 nm (Longwave) UV Light
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