Fluorite Mixed on Matrix Spessartine large calcite crystals and the

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

each is unique and when cut vertically can reveal a cross section of the tree

fossils of Knightia eocaena and their close relatives are popular among both amateur and seasoned collectors due to their delicate preservation of detail

showy specimens contain chunky calcite crystals of exceptional shape draped within a dazzling matrix of midnight blue to black fine sugar quartz

Metacanthian Trilibite from the Mid Devonian Period

Fluorite Mixed on Matrix Spessartine large calcite crystals and theFluorite 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