Smithsonite
| Formula | ZnCO3 |
| Origin | Kelly Mine, New Mexico (USA) |
| Description | pink smithsonite |
| Classification (Lapis) | Carbonates |
| Crystal System | trigonal |
| Hardness | 4,0 – 4,5 |
| Colour | white, pale gray, dark gray, pale brown, brown, more rarely pale shades of red, pink, orange, yellow, green, apple-green, emerald-green, blue, bluish gray |
| Streak | white |
| Luminescence | green, blue-white |
| Luster | vitreous |
| Transparency (Opacity) | translucent |
| Cleavage | perfect |
| Fracture | uneven to conchoidal |
| Magnetism | negative |
| Geological Setting | a secondary mineral formed in the oxidized zone of zinc-bearing deposits and replacing adjacent carbonate rocks |
| Specific Gravity | 4,43 g/cm3 |
