Piemontite
Properties
| Formula | Ca2(Al2MnIII)[Si2O7][SiO4]O(OH) |
| Abbreviation | Pmt |
| Classification | Epidote (group) |
| IMA Status | Approved (IMA 1962 s.p.) |
| Search other databases | webmineral.com, mindat.org, rruf.info, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database |
| Tags | Hydroxide , Mineral, Aluminosilicate |
Composition
| Element | Atoms |
|---|---|
| H | 1 |
| Si | 3 |
| Ca | 2 |
| Mn | 1 |
| Al | 2 |
| O | 13 |
| Total: | 22 |