Mineral | Pharmacoalumite |
---|---|
Formula | KAl4(AsO4)3(OH)4 ยท 6.5H2O |
Crystal Form | Isometric/Hextetrahedral [4 3m] |
Color | White, Pale yellow |
Density | 2.7 g/cm3 |
Diaphaneity | Transparent to Translucent |
Fracture | Brittle |
Hardness | 2.5 |
Lustre | Sub-Vitreous, Waxy, Dull |
Streak | White |
Type Loc. | Guanaco, Santa Catalina, Antofagasta Prov., Antofagasta Region, Chile |
Dana 8 Class | 42.8.1b.1 |
Strunz Class | 7/D.47-10 |
Mindat | mindat.org |
ID | 362 |