mineral
Selenite
Gypsum (CaSO4·2H2O)
AI-generated identification · may be incorrectHardness of 2 on the Mohs scale, transparent to translucent white color, pearly to vitreous luster, and monoclinic crystal system with perfect cleavage.
Identified More mineral →
Explore Selenite in the encyclopedia →Identify your own rocks.
Get a report just like this from any photo, free.
Physical properties
Hardness of 2 on the Mohs scale, transparent to translucent white color, pearly to vitreous luster, and monoclinic crystal system with perfect cleavage.
Formation & geological history
Formed through the evaporation of ancient sulfate-rich bodies of water in sedimentary environments.
Uses & applications
Used primarily for ornamental carvings, decorative lamps, holistic wellness, and gypsum board manufacturing.
Geological facts
Selenite is so soft that it can be easily scratched with a fingernail and is water-soluble.
Field identification & locations
Easily identified by its extreme softness and pearly striations; commonly sourced from Mexico, Morocco, and the USA.
More like this
Other mineral specimens
Gneiss or Schist
Gneiss or Mica Schist with Garnet
Metamorphic
Sandstone (with potential mineral staining/concretions)
Arenite (SiO2 based)
sedimentary
Tumbled granite
Granite, a coarse-grained felsic intrusive igneous rock
igneous
Pegmatite with Tourmaline and Quartz
Igneous Pegmatite
igneous
Epidote
Epidote | Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)
metamorphic
Granite
Granite (Phaneritic intrusive igneous rock)
igneous