Magnetite vs Quartz
| Property | Magnetite | Quartz |
|---|---|---|
| Formula | Fe3O4 | SiO2 |
| Crystal System | Cubic (Isometric) | Trigonal |
| Mineral Class | 04 Oxides and Hydroxides | 09 Silicates |
| Mohs Hardness | 5.5-6.5 | 7.0 |
| Color | Black | Colorless, white, purple, pink, brown, black |
| Luster | Metallic | Vitreous |
| Streak | Black | White |
| Transparency | Opaque | Transparent |
| Cleavage | None | None |
| Fracture | Conchoidal to uneven | Conchoidal |