Species / Silicates / #0236
Antigorite
Silicates monoclinic #0236
Antigorite is a mineral species described as magnesium-Fe phyllosilicate mineral of the serpentine group. It is classified under the Nickel-Strunz scheme and its reference data is listed below.
| Formula | Mg₃Si₂O₅(OH)₄ |
| Strunz code | 9.ED.15 |
| Class | Silicates |
| Crystal system | monoclinic |
| Type locality | Binn valley |
| Named after | Valle Antigorio |
| Streak | — |
Composition
O
51.96%
Mg
26.31%
Si
20.27%
H
1.46%
Molar mass 277.108 g/mol
Physical
Mohs
Density
2.487 g/cm³