Aurichalcite
| Formula | (Zn, Cu)5(CO3)2(OH)6 |
| Origin | Becke Oese (Germany) |
| Description | small blue-green crytals on matrix |
| Classification (Lapis) | Carbonates |
| Crystal System | Monoclinic |
| Hardness | 1,0 – 2,0 |
| Colour | Pale green, greenish blue, sky-blue |
| Streak | green-blue |
| Luminescence | none observed |
| Lustre | Silky to pearly |
| Transparency (Opacity) | Transparent to translucent |
| Cleavage | Perfect |
| Fracture | |
| Magnetism | Not magnetic |
| Geological Setting | In the oxidized zones of copper and zinc deposits |
| Specific Gravity | 6,55 g/cm3 |
