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Tennessee Quartz

I’ve acquired another specimen from Mark at Minershop. It’s a 4 inch quartz specimen from Woodbury, TN. Mark says: Yellow fluorescent quartz is a rarity (or any fluorescence in quartz crystals) and these are striking. In this piece transparent quartz crystals (fluorescent yellow), the yellow has two shades – bright yellow and bright mustard.  Blue/wht fluorescence […]

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Eastern United States Rocks

 Franklin New Jersey These hand to double hand sized rocks contain: aegirine – non fluorescent olive green andradite – non fluorescent olive green calcite – bright to dull red clinohedrite – orange diopside – bright blue specks esperite – bright yellow hardystonite – blue franklinite – non-fluorescent black norbergite – yellow specks sphalerite – pinkish-orange […]

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Eastern Hemisphere Rocks

Langban Sweden Langban rocks have some of the brightest fluorescence found. That brightness is often in sharp contrast to a dark to black background. These hand sized specimens are bright and impressive with: calcite – bright red svabite – bright yellow dolomite – bright pink red willemite – green berzillite – blue fluorescing under short […]

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Wyoming Rocks

Pacer Pegmatite The fluorescent minerals at the Casper Mountain pegmatite are mineralogical mutts. They are comprised of admixtures of quartz, albite, and small trace amounts of other pegmatite minerals that gradually grade into each other. Few large, distinct crystals are found. Not too interesting mineralogically. But when they butt up against a serpentine contact, some […]

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