| Mineral | Phlogopite |
|---|---|
| Formula | KMg3(AlSi3O10)(OH,F)2 |
| Crystal Form | Monoclinic/Prismatic [2/m] |
| Cleavage | Perfect on {0001} |
| Color | Brown, Gray, Green, Yellow, or Reddish Brown |
| Density | 2.8 – 2.9 g/cm3 |
| Diaphaneity | Transparent, Translucent |
| Fracture | Micaceous |
| Hardness | 2.0 - 3.0 |
| Lustre | Vitreous, Pearly |
| Streak | White |
| Dana 8 Class | 71.2.2b.1 |
| Strunz Class | 8/H.11-80 |
| Mindat | mindat.org |
| WebMineral | WebMineral |
| ID | 264 |