| Mineral | Quartz |
|---|---|
| Formula | SiO2 |
| Crystal Form | Trigonal/Trapezohedral [32] |
| Cleavage | [0110] Indistinct |
| Color | Brown, Colorless, Violet, Gray, Yellow |
| Density | 2.6 – 2.6 g/cm3 |
| Diaphaneity | Transparent |
| Fracture | Conchoidal |
| Hardness | 7.0 |
| Lustre | Vitreous |
| Streak | White |
| Dana 8 Class | 75.1.3.1 |
| Strunz Class | IV/D.01-10 |
| Mindat | mindat.org |
| WebMineral | WebMineral |
| ID | 1 |