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and other materials all originating from the Yindu Mine in Inner Mongolia
large calcite crystals and the dusting of fine gold from the pyrite is unique to specimens from this specific region of China and have not been found anywhere else
incredibly brilliant pyrite and chalcopyrite
a crystal occurring in a wide variety of colors and forms
Named for the Greek word for “heavy”
Fluorite Cubes on Matrix Calcite and other materials all originatingFluorite is one of the most variable of all crystalline minerals, occurring in shades of blue, green, purple, red and many other colors corresponding to their physical makeup and conditions when the mineral was formed. The name fluorite comes from its use as a flux, or chemical cleaning agent, in iron smelting and other metallurgy. Pure fluorite is clear, but most specimens have vivid color due to various impurities and are often fluorescent. With a
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