| Identification | |
| Colour | White, gray, colorless |
| Streak | White |
| Luster | Vitreous |
| Hardness | 7 |
| Cleavage | Very imperfect |
| Fracture | Uneven |
| Сrystal system | Trigonal |
Uses: Use in jewelry.
Deposits: In Kazakhstan deposits are found out Ore Altai, Jarma-Saur of Akjailau.
Date of last changes:26.03.2019
