Identification
Colour White, purple, blue, green, yellow
Streak White
Luster Vitreous
Hardness 4
Cleavage Perfect on {111}
Fracture Subconchoidal to uneven
Сrystal system Isometric

Uses: used in optics and metallurgy.

Deposits: In Kazakhstan explored deposits Kulanketpes, Taskaynar, Solar

Date of last changes:
18.03.2019