Origin: Worldwide
Mineral Species: Gypsum
Mineral Group: Sulphates
Chemical Formula: CaSO4.2H2O
Hardness: 2
Crystal System: Monoclinic
Colour: Colourless to white, often tinged other hues due to impurities; colourless in transmitted light.
Typical Appearance: Tabular or prismatic crystals. Also found as granular masses, massive beds, and fibrous masses ("satin spar").
Birthstone: None
Chakra Alignment: None
Element: None
Origin of Name & Mythology: First known mention is by Theophrastus about 300-325 BCE from the Greek γυψοζ (gypsos) meaning plaster.