Grunerite [ ☐FeII2FeII5Si8O22(OH)2 ]
Material properties
| Formula | ☐FeII2FeII5Si8O22(OH)2 |
| Abbreviation | Gru |
| Classifications | Cummingtonite-Grunerite (series), Mg-Fe-Mn amphibole, Minerals containing OH |
| Member | Amosite |
| Luminescence emitter | OH |
| IMA Status | Approved/redefined (IMA 2012 s.p.) |
| Search other databases | webmineral.com, mindat.org, rruf.info, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database |
| Related materials | Ferro-anthophyllite, Proto-ferro-anthophyllite |
| Tags | Hydroxide , Mineral, Silicate |
Composition
| Element | Atoms |
|---|---|
| H | 2 |
| Si | 8 |
| ☐ | 1 |
| Fe | 7 |
| O | 24 |
| Total: | 42 |