Mineral | Cristobalite |
---|---|
Formula | SiO2 |
Crystal Form | Tetragonal/Trapezohedral [422] |
Cleavage | None |
Color | Colorless, white, also blue grey, brown, grey, yellow |
Density | 2.3 – 2.4 g/cm3 |
Diaphaneity | Transparent, Translucent |
Fracture | Brittle |
Hardness | 6.0 - 7.0 |
Lustre | Vitreous |
Streak | White |
Type Loc. | Cerro San Cristóbal, Pachuca Mun., HGO, Mexico |
Dana 8 Class | 75.1.1.1 |
Strunz Class | 4/D.01-30 |
Mindat | mindat.org |
WebMineral | WebMineral |
ID | 451 |