Cummingtonite-Grunerite (series)
Properties
| Formula | ◻{Mg2}{Mg5}(Si8O22)(OH)2 — ◻{FeII2}{FeII5}(Si8O22)(OH)2 |
| Classification | Mg-Fe-Mn amphibole |
| Members | Cummingtonite, Grunerite |
| Luminescence emitter | OH |
| Search other databases | webmineral.com, mindat.org, rruf.info, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database |
| Crystal symmetry | Monoclinic, Point group 2/m, Space group C2/m (#12) |
| Tags | Hydroxide , Series, Silicate |