Antigorite [ Mg3Si2O5(OH)4 ]
Image of Antigorite
Material properties
| Formula | Mg3Si2O5(OH)4 |
| Abbreviation | Atg |
| IMA Status | Approved/redefined (IMA 1998 s.p.) |
| Crystal symmetry | Monoclinic, Point group m, Space group Cm (#8) |
| Classifications | Serpentine (subgroup), Minerals containing OH |
| Related materials | Lizardite |
| Search other databases | webmineral.com, mindat.org, rruf.info, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database |
| Tags | Hydroxide, Mineral, Silicate |
Composition
| Element | Atoms |
|---|---|
| O | 9 |
| Si | 2 |
| H | 4 |
| Mg | 3 |
| Total: | 18 |
Specimens of Antigorite
| Name | Owner | Materials | Phase purity |
|---|---|---|---|
| M2020 Gaspéite | CSIRO | Antigorite (3.6%), Gaspéite, Lizardite, Magnesite | 3.6 |