| Identification | |
| Colour | Green, Blue |
| Streak | Green, Light blue |
| Luster | Mat, Vitreous |
| Hardness | 3,5-4 |
| Cleavage | Perfect on |
| Fracture | Shelly, splintery |
| Сrystal system | Мonoclinic |
Uses: The ore of copper, ornamental stone, for the preparation of a blue tempera paint in jewelry.
Deposits: Zhezkazgan, Chokpak, Zyryanovsk, Maleevskoe and others.
Date of last changes:18.03.2019