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Gypsum (Var: Selenite), Calcite


Gypsum (Var: Selenite) : Ca[SO4] · 2H2O, Calcite : CaCO3

Photo Copyright © Paul Bordovsky  - This image is copyrighted. Unauthorized reproduction prohibited.
Locality: Pfeil mine, Karnes Uranium District, Karnes Co., Texas, USA
Ramshorn selenite crystal 3.6 cm on bed of calcite rhombohedrons. Specimen is 7.0 cm X 7.4 cm. Crystals are formed inside concretions. Calcite fluoresces pink under short wave UV light. Self collected.

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