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Fossil Significance
which seeps from the Earth as oil
the richer the iron the deeper the color
The genus was first named and described by Edward Drinker Cope in 1877
This environment supported other megafauna such as woolly mammoths
Stunning Glass Selenite | Utah shark teeth Fossil SignificanceStunning Glass Selenite from South Central Utah, Wayne County USA Approx. dimensions: 9" x 10" x 1. 5" Approx. weight: 6 lbs. 11 oz. Selenite, satin spar, desert rose, gypsum flower are crystal habit varieties of the mineral gypsum. All varieties of gypsum, including selenite and alabaster, are composed of calcium sulfate dihydrate, with the chemical formula CaSO2HO.