White Quartz Lumps
Quartz Lumps (Silica Stone)
Chemical Formula: SiO₂
Mineral Family: Silica Mineral
Appearance: White, Milky White, Glassy White
Hardness: 7 Mohs
Specific Gravity: 2.65
Available Grades
Grade A (Premium Glass Grade)
Parameter & Specification:-
- SiO₂ 99.50% Min
- Fe₂O₃ 0.01% Max
- Al₂O₃ 0.20% Max
- CaO 0.05% Max
- Moisture Below 0.5%
Color:- Snow White / Glassy White
Recommended for:-
- Optical Glass
- Solar Glass
- Crystal Glass
- High Purity
- Quartz Powder
- Electronics Industry
Grade B (Ceramic Grade)
Parameter & Specification
- SiO₂ 99.00% Min
- Fe₂O₃ 0.02% Max
- Al₂O₃ 0.30% Max
- Moisture Below 0.5%
Color:- White
Recommended for:-
- Ceramic Industry
- Sanitary Ware
- Wall & Floor Tiles
Porcelain - Glaze Manufacturing
Grade C (Foundry & Ferro Alloy Grade)
Parameter & Specification
- SiO₂ 98.00% Min
- Fe₂O₃ 0.05% Max
- Moisture Below 1%
Color:- White to Off White
Recommended for:-
- Ferro Silicon Plants
- Ferro Chrome
- Foundry Industry
- Steel Industry
- Refractory Industry