Biotite-2M1 [ K(Mg,Fe)3AlSi3O10(OH,F)2 ]
Material properties
| Formula | K(Mg,Fe)3AlSi3O10(OH,F)2 |
| Classification | Biotite |
| Search other databases | webmineral.com, mindat.org, rruf.info, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database |
| Tags | Polytype |
Composition
| Element | Atoms |
|---|---|
| K | 1 |
| Al | 1 |
| Si | 3 |
| Mg | ~1.5 |
| Fe | ~1.5 |
| O | ~11 |
| H | ~1 |
| F | ~1 |
Specimens of Biotite-2M1
| Name | Owner | Materials | Phase purity | Image |
|---|---|---|---|---|
| M1593 Biotite | CSIRO | Biotite-1M, Biotite-2M1 (43.7%), Quartz | 43.7 |
