Mg-Fe-Mn amphibole [ An(X2)(ZII5-mZIIIm)(Si8-( n+ m)Al(n+m)O22(OH)2 ]
Material properties
| Formula | An(X2)(ZII5-mZIIIm)(Si8-( n+ m)Al(n+m)O22(OH)2 |
| IMA Status | IMA Approved Group Name |
| Crystal symmetry | Orthorhombic |
| Classification | w(OH, F, Cl)-dominant amphibole |
| Members | Grunerite, Cummingtonite-Grunerite (series), Anthophyllite root name group, Suenoite root name group, Cummingtonite (var. Fe2+), Cummingtonite |
| Search other databases | webmineral.com, mindat.org, rruf.info, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database |
| Tags | Group, Silicate |