Mineral | Cumengeite |
---|---|
Formula | Pb21Cu20Cl42(OH)40 • 6(H2O) |
Crystal Form | Tetragonal/Ditetragonal-Dipyramidal [4/m 2/m 2/m] |
Cleavage | Good on {101},Distinct on {110}, Poor on {001} |
Color | Indigo blue |
Density | 4.7 – 4.7 g/cm3 |
Diaphaneity | Translucent |
Hardness | 2.5 |
Lustre | Sub-vitreous |
Streak | Sky-blue |
Type Loc. | Boleo District, Mun. de Mulegé, BCS, Mexico |
Dana 8 Class | 10.6.7.1 |
Strunz Class | 3/D.12-40 |
Mindat | mindat.org |
WebMineral | WebMineral |
ID | 222 |