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Discovered - 02/12/1947
One of the most widely recognized and unmistakable minerals
The herring-like fish of the genus Knightia were far and away the most abundant freshwater fish during this era
Paradoxides sp
Measurement is of box
Fluorite Purple (Med/Lg) Minerals and Gems Discovered - 02/12/1947Fluorite 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
