Gypsum Selenite

Identification
Colour White, gray
Streak White
Luster Vitreous
Hardness 1,5—2,0
Cleavage Perfect on {010}
Fracture Subconchoidal to uneven
Сrystal system Monoclinic

Uses: Varieties of gypsum known as "satin spar" and "alabaster" are used for a variety of ornamental purposes.

Deposits: In Kazakhstan explored deposits Akshatskoe, Borlykulskoe, Karachungulskoe et al.