| Mineral | Chamosite |
|---|---|
| Formula | (Fe2+,Mg)5Al(AlSi3O10)(OH)8 |
| Crystal Form | Monoclinic/Prismatic [2/m] |
| Cleavage | Good on {001} |
| Color | Green, Grey-green, Brown, Black |
| Density | 3.0 – 3.4 g/cm3 |
| Diaphaneity | Translucent to Subtranslucent |
| Fracture | Uneven |
| Hardness | 3.0 |
| Lustre | Vitreous to Dull |
| Streak | Greyish green |
| Type Loc. | Haut de Cry, Chamoson, Wallis, Switzerland |
| Dana 8 Class | 71.4.1.7 |
| Strunz Class | 8/H.23-30 |
| Mindat | mindat.org |
| WebMineral | WebMineral |
| ID | 385 |