Polycrase Black Uranium Rare Earth Glass
A Great Sample
Polycrase Natural Black Glass Mineral Sample
Polycrase Black Uranium Thorium Glass has Rare Earth Elements in it. It shows really nice black glass morphology. This Polycrase is from a deposit near Trout Creek Pass East of Buena Vista in the Colorado Rockies. The deposit is in the Pegmatite area w Feldspar mining went on in the past.
This sample weighs in at 36.4 grams. 60 KCPM TA NaI(Tl) Scintillometer
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