Biotite-1M [ 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-1M
| Name | Owner | Materials | Phase purity | Image |
|---|---|---|---|---|
| MT8288 Biotite | CSIRO | Biotite-1M (100.0%) | 100.0 | |
| MES001 Biotite / Phlogopite | CSIRO | Biotite-1M (61.5%), Kaolinite, Phlogopite-1M, Quartz | 61.5 | |
| Erwan1 Biotite / Albite / Quartz | CSIRO | Albite, Ca, Biotite-1M (59.9%), Kaolinite, Quartz | 59.9 | |
| Erwan2 Biotite / Quartz / Albite | CSIRO | Albite, Ca, Biotite-1M (58.3%), Clinochlore, Fe, Quartz | 58.3 | |
| M1593 Biotite | CSIRO | Biotite-1M (52.5%), Biotite-2M1, Quartz | 52.5 |
