7" Illinois Fluorite Cluster a78605ff5efeeee5879cb1ad50d4dfd8

7" Illinois Fluorite Cluster a78605ff5efeeee5879cb1ad50d4dfd8Fluorite is the "State Mineral" of Illinois. Fluorite 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

Whereas most Crinoids either root themselves or are free floating

which gives it the green hue

it is translated to the German word Zirkon

Permission to explore this new vug was denied to Father Loren

and iron plus vanadium results in orange stones

(about 20 to 180 million years ago)

long before dinosaurs existed but went extinct around 250 mya

the most beautiful Amethyst

Each 8 inch strand of natural Blue Topaz  briollettes is top-drilled and faceted into a plump pear shape

the earliest Woolly Mammoth (Mammuthus primigenius) was discovered in Eurasia

such as quartz) during a process called per-mineralization

If struck sharply against steel