Quartz
Industrial-Grade Quartz – Purity You Can Rely On Quartz (SiO₂), a naturally occurring crystalline form of silicon dioxide, is a crucial industrial mineral known for its high silica content, exceptional hardness, and chemical stability. At EarthCore Minerals, we mine, process, and supply premium-quality Quartz that meets the exacting standards of a variety of industries including glass, ceramics, foundry, paint, electronics, and more.
Our Quartz products are extracted from high-silica deposits in Rajasthan and Uttarakhand, processed using cutting-edge machinery, and tested rigorously to ensure uniformity and performance across every batch.
Why Choose Earth Core’s Quartz?
High Purity (> 99% SiO₂) : Minimally contaminated by iron and other coloring oxides.
Uniform Particle Size : Available in lumps, grits, and fine powders up to 5 microns.
Consistent Whiteness : Low Fe₂O₃ ensures maximum brightness and transparency.
Thermally Stable : High melting point (~1700°C) makes it ideal for high-temperature applications.
Custom Grades Available:Sizing and chemistry tailored to your process.
Global Delivery:CIF, FOB, and Ex-works supply models supported by dedicated logistics.
| SR. NO | PROPERTY | SPECIFICATION |
|---|---|---|
| 1 | SiO₂ | 98.5 – 99.7% |
| 2 | Al₂O₃ | 0.1 – 0.5% |
| 3 | Fe₂O₃ | 0.01 – 0.15% |
| 4 | TiO₂ | ≤ 0.02% |
| 5 | CaO + MgO | ≤ 0.5% |
| 6 | LOI @ 1000°C | < 0.5% |
| 7 | Moisture | < 0.2% |
| 8 | Whiteness (L* CIE) | 82 – 94 |
| 9 | Mohs Hardness | 7 |
| 10 | Specific Gravity | 2.65 |
| 11 | Grain Size | 0.1 to 10 mm (custom sizing available) |
| SR. NO | PROPERTY | SPECIFICATION |
|---|---|---|
| 1 | SiO₂ | 99.2 – 99.8% |
| 2 | Fe₂O₃ | 0.01 – 0.05% |
| 3 | Whiteness | 85 – 95 |
| 4 | Moisture | < 0.2% |
| 5 | LOI | < 0.5% |
| 6 | Particle Size | d₉ₗ ≤ 5 – 100 µm (custom mesh sizes available) |
Applications
Glass Industry
Quartz grains are a primary component in the production of glass. The high purity and hardness of quartz make it an excellent raw material for glassmaking.
Electronics Industry
Quartz is used to make electronic components such as oscillators, resonators, and filters due to its piezoelectric properties.
Ceramics Industry
Quartz grains are used in the production of ceramics due to their high melting point and thermal stability.
Construction Industry
Quartz grains are used as a component in building materials such as concrete and asphalt due to their hardness and durability.
Oil and Gas Industry
Quartz grains are used as a proppant in hydraulic fracturing. The high strength and crush resistance of quartz grains make them ideal for this application.
Gems and Jewelry Industry
Quartz grains are used in the production of jewelry due to their natural beauty and variety of colors.
Packaging Options
- 25 kg HDPE Bags – Laminated, printed, palletised with shrink wrapping.
- 1 MT Jumbo Bags – UV-stabilised, 4-loop design, with moisture-barrier liners.
- Bulk Loose Shipments Suitable for high-volume users in glass, foundry, and construction sectors.
All shipments are supported with:
- Certificate of Analysis (COA)
- Material Safety Data Sheet (MSDS)
- SGS / Intertek Third-Party Inspection (on demand)
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