| Mineral | Talc |
|---|---|
| Formula | Mg3(Si4O10)(OH)2 |
| Crystal Form | Triclinic/Pinacoidal [1] |
| Cleavage | Perfect on {001} |
| Color | Colorless, White, Pale green, Emerald-green to Dark green, Brown, Grey |
| Density | 2.6 – 2.8 g/cm3 |
| Diaphaneity | Transparent, Translucent |
| Fracture | Fibrous, Micaceous |
| Hardness | 1.0 |
| Lustre | Sub-vitreous, Resinous, Waxy, Greasy, Pearly |
| Streak | White |
| Dana 8 Class | 71.2.1.3 |
| Strunz Class | 8/H.09-40 |
| Mindat | mindat.org |
| WebMineral | WebMineral |
| ID | 304 |