Cummingtonite
Properties
| Formula | ☐Mg2Mg5Si8O22(OH)2 | 
| Abbreviation | Cum | 
| Classifications | Cummingtonite-Grunerite (series), Mg-Fe-Mn amphibole | 
| 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 | Anthophyllite, Proto-anthophyllite | 
| Tags | Hydroxide , Mineral, Silicate |