Pennantite [ MnII5Al(Si3Al)O10(OH)8 ]
Material properties
| Formula | MnII5Al(Si3Al)O10(OH)8 |
| Abbreviation | Pnn |
| Classifications | Chlorite (group), Minerals containing OH |
| Luminescence emitter | Cr |
| IMA Status | Grandfathered (pre-IMA), 1946 |
| Search other databases | webmineral.com, mindat.org, rruf.info, fluomin.org, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database |
| Crystal symmetry | Triclinic |
| Tags | Hydroxide , Mineral, Aluminosilicate |
Composition
| Element | Atoms |
|---|---|
| Al | 2 |
| O | 18 |
| Si | 3 |
| H | 8 |
| Mn | 5 |
| Total: | 36 |