Selenite is named after Greek word for the Moon, referring to the moonlight effect from cleavage surfaces.

Selenite is a variety of Gypsum that occurs in transparent crystals or crystalline masses. It is often colourless with a vitreous or pearly lustre.
General Information
A variety or type of:Gypsum
Photos of natural/un-cut material from
Physical Properties of Selenite
Mohs Hardness2
Arthur Thomas, Gemstones (2009)
Colour (General)Colourless
Arthur Thomas, Gemstones (2009)
Arthur Thomas, Gemstones (2009)
Arthur Thomas, Gemstones (2009)
Further Information
Mineral information:Selenite information at
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