| Mineral | Tridymite |
|---|---|
| Formula | SiO2 |
| Crystal Form | Triclinic/Pedial [1] |
| Cleavage | [0001] Indistinct, [1010] Imperfect |
| Color | Colourless, white, yellowish white, or grey |
| Density | 2.2 – 2.3 g/cm3 |
| Diaphaneity | Transparent, Translucent |
| Fracture | Conchoidal |
| Hardness | 6.5 - 7.0 |
| Lustre | Vitreous |
| Streak | White |
| Type Loc. | Cerro San Cristóbal, Pachuca Mun., HGO, Mexico |
| Dana 8 Class | 75.1.2.1 |
| Strunz Class | 4/D.01-20 |
| Mindat | mindat.org |
| WebMineral | WebMineral |
| ID | 452 |