Color | White |
Hardness | 6.5 - 7.0 (Mohs scale) |
Density | 2.65 - 2.70 g/cm³ |
Transparency | Translucent to Opaque |
Fracture | Conchoidal |
Luster | Vitreous (Glass-like) |
Cleavage | None |
Streak | White |
Composition | Mainly silica (SiO2) |
Specific Gravity | 2.60 - 2.75 g/cm³ |
Refractive Index | 1.45 - 1.55 |
Surface | Smooth, Polished |
Texture | Fine to Medium-grained |
Shape | Varied (often slabs) |