9-1/2" Fluorite Cluster, China c5a25c3ac3663ecc5711d3209b8eae73 spreading to Eurasia via the

spreading to Eurasia via the Bering land bridge before going extinct in North America around 10

the area was sub-tropical and many different species flourished

Wood petrification is unusual in this way

derived from trace amounts of Iron

9-1/2" Fluorite Cluster, China c5a25c3ac3663ecc5711d3209b8eae73 spreading to Eurasia via theFluorite forms in a variety of colors and is transparent to translucent in clarity. The chemical composition of Fluorite is CaF2, (calcium & fluorine.) The variation in colors are due to trace amounts of other elements replacing the calcium during the crystalline formation. Fluorite is used in a variety of industrial purposes and the overwhelming percentage of Fluorite in the United States was mined in Illinois and Kentucky. Illinois became the