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 |