Fluorite Butterflies on Quartz Crystal Base 03d2c319f27a57c561cccbcbb7bc93ff Cyanobacteria

Cyanobacteria

indicating its historic value as a personal object of beauty

natural colors of Zircon are widely varied

confidence

Ortnithomimids were a group of theropod dinosaurs that have been especially useful for research in the origin of birds

Fluorite Butterflies on Quartz Crystal Base 03d2c319f27a57c561cccbcbb7bc93ff CyanobacteriaFluorite 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