ETHICAL
QUARTZ
SOLUTIONS.
Kentim Stones UK facilitates the global sale of premium quartz sand and powder, ethically sourced from Ugandan deposits for solar, high-tech, and industrial applications.
Renewable Energy
Ultra-clear glass for photovoltaic cells.
Industrial Grade
Precision ceramics and semiconductors.
Our Mission
Kentim stones are ethically mined from the Kentim Stone Quarry in Uganda and processed into high-purity quartz products. Managed by Kentim Ventures UK Ltd, we guarantee a transparent and sustainable value chain from the point of extraction to global distribution.
Sustainable Sourcing
A dedicated 5M-tonne quartz deposit ensures a stable, long-term supply for global partners.
Ethical Standards
Full compliance with the Modern Slavery Act and fair-wage labor practices in all operations.
The Quarry
Global Trade Hubs
Direct logistics and distribution to key international markets.
Our Products
Quartz Sand
99.5% SiO₂ | 40-120 Mesh
- Solar Panels
- Glass Making
- Ceramics
- Kitchen Tops
- Stone Tiles
Quartz Powder
99.9% SiO₂ | 200-400 Mesh
- Semiconductors
- Advanced Ceramics
- High-Tech Paints
- Glass Production
Technical Compliance
99.9%
Max Purity
COSHH
Safety Compliance
Labor
Ethically Mined
REACH
Certified Origin
Chemical Analysis
| ELEMENT | SAND | POWDER |
|---|---|---|
| SiO₂ (Silicon Dioxide) | 99.5% | 99.9% |
| Fe₂O₃ (Iron Oxide) | < 0.015% | < 0.008% |
| Al₂O₃ (Aluminum Oxide) | < 0.15% | < 0.05% |
| Moisture Content | < 0.5% | < 0.1% |
News Updates
UK Operations Hub
Our Wenlock Road office is fully established. Industrial stone supply and global distribution will officially commence on March 1st, 2026.
Global Quartz Demand
Strategic expansion in Uganda to meet the rising demand for high-purity sand in the solar sector.
Sustainability Milestone
Our Uganda quarry achieves new milestones in waste-reduction and worker safety standards.
2026
TECHNICAL
CATALOG
Kentim Stones UK
Technical
Datasheets.
Detailed mineral analysis, particle size distribution, and logistical specifications for our full product range.
Industry Insights
Quartz in Renewable Energy
How high-purity SiO₂ is powering the global transition to high-efficiency solar photovoltaic cells.
Precision in Semiconductors
The role of 200-400 Mesh quartz powder in creating ultra-durable advanced ceramic components.
Ethical Sourcing 101
A deep dive into our 'Mine-to-Market' transparency at the Kentim Stone Quarry in Uganda.
Build the Supply
Chain of Tomorrow.
Join Kentim Stones as we connect Ugandan resources with UK innovation.
Global Scope
Managing complex cross-border logistics.
Integrity First
Certified ethical mining processes.
Operations Manager
Technical Sales Specialist
Sustainability Officer
Official Launch: March 1st, 2026
Get in
Touch.
inquiries@kentimstones.com
+44 7436 785923
20-22 Wenlock Road,
London, N1 7GU, UK
www.kentimstones.com