Fluorite Butterflies on Quartz Crystal Base 03d2c319f27a57c561cccbcbb7bc93ff Ortnithomimids were a group of

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

Cyanobacteria

Mammoth remains were discovered on St

indicating its historic value as a personal object of beauty

The Woolly Mammoth's trunk and ears were smaller than an elephant

Fluorite Butterflies on Quartz Crystal Base 03d2c319f27a57c561cccbcbb7bc93ff Ortnithomimids were a group ofFluorite 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