Why Choose Riya Minerals
Responsible Mining in Rajasthan
with eco-friendly practices
State-of-the-art Ball Mills & Screening
Units for Mineral Processing
In-house Quality Control Lab
with modern testing equipme
Safe & Secure Packaging for
Export and Domestic Supply
Our Products

Potash Feldspar
Premium potassium feldspar ideal for ceramic, glass, and other industrial applications.
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Soda Feldspar
High-quality sodium feldspar available in lumps and powder form with consistent chemical composition.
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Quartz
High-purity quartz minerals in various grades and sizes to meet diverse industrial needs.
Learn MoreOur Product Properties
Chemical Properties
Our feldspar and quartz minerals are known for their exceptional purity, consistent alkali content, and extremely low iron impurities. These unique chemical characteristics make them highly suitable for use in a wide range of industrial applications including ceramics, glass manufacturing, paints, plastics, rubber, adhesives, and construction materials. Potash Feldspar and Soda Feldspar act as key fluxing agents in ceramic and glass production, reducing the melting temperature and enhancing the strength, durability, and finish of the final product. Quartz, with its high silica content and superior whiteness, is widely used in glassmaking, foundries, water filtration, and engineered stone applications. By offering stable chemical composition and controlled particle sizes, Riya Minerals ensures that every batch of feldspar and quartz delivers consistent performance, making us a trusted partner for industries across India and global markets.
Feldspars are primarily valued in industrial applications for their:
- Alkali content - which acts as a flux, lowering the melting temperature of ceramic and glass mixtures
- Alumina content - which provides stability, durability, and hardness to the final product
These properties make feldspar an essential raw material in various industries where controlled melting, chemical stability, and structural integrity are required.
Chemical Composition
Potash Feldspar
K₂O: 10% - 12%
SiO₂: 65% - 68%
Al₂O₃: 17% - 24%
Soda Feldspar
Na₂O: 8% - 10%
SiO₂: 65% - 68%
Al₂O₃: 18% - 20%
Physical Properties
Whiteness: >65°
Moisture Content: <1%
Particle Size: Customizable
L value: >80
A value: .1-2.5
B value: 0-5.0
General Characteristics
High Purity
Consistent Quality
Low Iron Content
Note: All parameters are measured after firing at 1210°C temperature in Laboratory Furnace. The information presented above is based on long-term average values and is provided for guidance only.
Chemical Properties:
| Properties | Potash Feldspar | Soda Feldspar | Quartz |
|---|---|---|---|
| SiO₂ | 65 - 68% | 65 - 68% | 98 - 99% |
| Al₂O₃ | 17 - 24% | 17 - 24% | <1.0% |
| Na₂O | 2.5 - 3% | 8 - 10% | <0.5% |
| K₂O | 10 - 12% | 1 - 2% | <0.5% |
| TiO₂ | Trace | Trace | Trace |
| CaO | <0.9% | <0.9% | <0.1% |
| MgO | Trace | Trace | Trace |
| Fe₂O₃ | <0.1% | <0.2% | <0.05% |
| LOI | <0.5% | <0.5% | <0.2% |
Physical Properties:
| Parameters | Potash Feldspar | Soda Feldspar | Quartz |
|---|---|---|---|
| L Value | >75 | >75 | >85 |
| A Value | -0.1~ -0.2 | -0.1~ -0.2 | -0.0 ~ -0.1 |
| B Value | <5.0 | <5.0 | <3.0 |
| Whiteness | >45 Degrees | >45 Degrees | >80 Degrees |
| Particles Size | 150#, 200#, 300# (mesh sizes) | 150#, 200#, 300# (mesh sizes) | 150#, 200#, 300# (mesh sizes) |
| Moisture | <0.2% | <1% | <0.1% |
Note: All above parameters are measured after firing at 1210°C temperature in Laboratory Furnace. The information presented above is based on long-term average values and is provided for guidance only.
Packing Information
We offer flexible packaging options to meet your specific requirements, ensuring product integrity during transit and storage. Our packaging solutions are designed to maintain the quality and purity of our minerals throughout the supply chain.
Standard Packaging
50 kg HDPE bags with inner liner
25 kg PP bags for smaller quantities
Bulk Packaging
1000 kg jumbo bags
Custom packaging available
Special Requirements
Moisture-proof packaging
Custom labeling available
Available Packing Sizes
50kg, 1000kg (Jumbo Bag) and Bulk Loose
| Shipment | 20ft, 40ft Closed Container Loading via Sea Transportation |
|---|---|
| Port Of Loading | West Coast of India Ports (Mundra, Kandla, Pipavav, Nava Shiva etc.) |
Key Features of Our Products
- High chemical purity with consistent composition
- Excellent whiteness properties for superior finished products
- Low iron content ensuring high-quality ceramic finishes
- Controlled particle size distribution for optimal performance
- Improved melting characteristics for energy efficiency
- Enhanced mechanical strength in final products
- Superior fluxing properties for reduced firing temperatures
- Consistent quality batch after batch
- Eco-friendly processing and manufacturing
- Technical support and custom solutions available
Applications
Ceramic glazes and bodies
Glass manufacturing
Fillers in various industries
Construction materials
Benefits
Reduces production costs
Improves product quality
Enhances manufacturing efficiency
Consistent performance
Markets Served
Frequently Asked Questions
Find answers to common questions about our products, quality standards, and services. If you have additional questions, feel free to contact us.
Riya Minerals supplies Potash Feldspar (lumps & powder), Soda Feldspar (lumps & powder), Quartz (lumps & powder), and Mica (sheets & powder). All products are available in multiple mesh sizes and are processed in our state-of-the-art facility in Rajasthan, India.
Potash Feldspar (10–12% K₂O) is widely used in ceramic tiles, sanitaryware, glass manufacturing, and glazing industries. It acts as a flux to reduce melting temperature and improve product strength.
Soda Feldspar (8–10% Na₂O) is primarily used in ceramics, glass, abrasives, and paint industries. It provides better chemical resistance and enhances the durability of finished products.
Yes. Riya Minerals offers high-purity Quartz Lumps and Quartz Powder (>99% SiO₂, whiteness >80, L value >85) for industries such as glass, foundry, paints, coatings, and electronics.
We provide powders in 150#, 200#, and 300# mesh sizes, ensuring consistency and suitability for ceramic, glass, and industrial applications. Custom sizes can be supplied on request.
We are based in Jaipur, Rajasthan, India, with mining operations across Rajasthan. Our facility ensures quality-controlled mineral processing and secure packaging for domestic and international shipping.
Yes, Riya Minerals exports Feldspar, Quartz, and Mica to multiple international markets. Our packaging is designed for long-distance shipping to ensure product safety and quality.
Our minerals undergo rigorous quality testing for parameters like SiO₂, Al₂O₃, K₂O, Na₂O, whiteness, and particle size distribution. We maintain strict control to meet ceramics, glass, and industrial-grade standards.
You can contact us at riyaminerals@gmail.com or via the Contact Us page with your requirements (product type, grade, mesh size, and quantity). Our team will respond promptly with the best offer.
- Direct mining & processing operations in Rajasthan
- Consistent quality and customized sizing
- Competitive pricing for bulk orders
- Timely delivery with export-ready packaging
- Trusted supplier for ceramics, glass, and industrial applications