Mineral | Fluorapophyllite-(K) |
---|---|
Formula | KCa4(Si8O20)(F,OH) ยท 8H2O |
Crystal Form | Tetragonal/Ditetragonal-Dipyramidal [4/m 2/m 2/m] |
Cleavage | Perfect on {001}, Imperfect on {110} |
Color | Colourless, pale green, aquamarine, white, pink, yellow |
Density | 2.3 – 2.4 g/cm3 |
Diaphaneity | Transparent, Translucent |
Fracture | Irregular/Uneven |
Hardness | 4.5 - 5.0 |
Lustre | Vitreous, Pearly |
Streak | White |
Dana 8 Class | 72.3.1.1 |
Strunz Class | 8/H.01-20 |
Mindat | mindat.org |
WebMineral | WebMineral |
ID | 381 |