| Mineral | Antigorite |
|---|---|
| Formula | (Mg,Fe2+)3Si2O5)(OH)4 |
| Crystal Form | Monoclinic/Domatic [m] |
| Cleavage | [001] Good |
| Color | Green, Gray, Bluish gray, Brown, Black |
| Density | 2.5 – 2.6 g/cm3 |
| Diaphaneity | Translucent to Subopaque |
| Fracture | Brittle |
| Hardness | 3.5 - 4.0 |
| Lustre | Vitreous - Greasy |
| Streak | Greenish white |
| Type Loc. | Antigorio Valley, Ossola Valley, Verbano-Cusio-Ossola Prov., Piedmont, Italy |
| Dana 8 Class | 71.1.2a.1 |
| Strunz Class | VIII/H.27-10 |
| Mindat | mindat.org |
| WebMineral | WebMineral |
| ID | 105 |