mineral
Selenite
Gypsum (CaSO4·2H2O)
AI-generated identification · may be incorrectMohs hardness of 2, typically colorless to white with a vitreous to pearly luster and monoclinic crystal structure.
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Physical properties
Mohs hardness of 2, typically colorless to white with a vitreous to pearly luster and monoclinic crystal structure.
Formation & geological history
Forms in evaporite deposits from ancient seas and salt lakes.
Uses & applications
Used in carving, as a collector's mineral, and historically for window panes.
Geological facts
Named after Selene, the Greek goddess of the moon, due to its moon-like glow.
Field identification & locations
Identified by its softness (can be scratched with a fingernail) and fibrous or crystalline appearance.
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