Mammut Holdings International

SPECIALTY MINERALS

Premium specialty minerals and industrial materials from Africa's diverse mineral deposits

Premium Specialty Minerals

High-quality specialty minerals for industrial and technological applications

Our Specialty Minerals Expertise

  • Diverse range of specialty minerals from African deposits
  • High-purity materials for industrial applications
  • Custom processing and beneficiation services
  • Certified quality and technical support

Specialty Minerals Statistics

Product Categories 15+
Annual Volume 45K+
Global Customers 35+
Quality Certifications ISO

Our Specialty Minerals Range

Premium specialty minerals for diverse industrial applications

Antimony Products

Antimony Products

High-grade antimony concentrates and refined antimony products

• Sb Grade: 50-70%
• As Content: <0.1%
• Pb Content: <0.5%
• Industrial Applications
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Quartz Varieties

Quartz Varieties

High-purity quartz sands and silica products for various industries

• SiO₂ Content: 99.5%+
• Fe₂O₃ Content: <0.02%
• Al₂O₃ Content: <0.1%
• Multiple Applications
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Industrial Minerals

Industrial Minerals

Wide range of industrial minerals for construction and manufacturing

• Limestone & Dolomite
• Feldspar & Kaolin
• Gypsum & Talc
• Construction Materials
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Antimony Products

High-grade antimony concentrates and refined antimony products sourced from African deposits, meeting international quality standards for flame retardants, batteries, and industrial applications.

Product Characteristics

  • • Antimony content: 50-70% Sb
  • • Arsenic content: <0.1% As
  • • Lead content: <0.5% Pb
  • • Sulfur content: 15-25% S
  • • Particle size: P80 < 75μm
  • • Moisture content: <8%

Applications

  • • Flame retardants in plastics and textiles
  • • Lead-acid battery production
  • • Alloys for bearings and ammunition
  • • Glass and ceramics manufacturing

Antimony Concentrate Analysis

Element Typical Range Unit
Antimony (Sb) 50-70 %
Arsenic (As) <0.1 %
Lead (Pb) <0.5 %
Sulfur (S) 15-25 %
Iron (Fe) 2-5 %
Moisture <8 %

Quartz Varieties

High-purity quartz sands and silica products from African deposits, meeting stringent specifications for glassmaking, solar panels, electronics, and industrial applications.

Product Specifications

  • • Silica content: 99.5-99.9% SiO₂
  • • Iron content: <0.02% Fe₂O₃
  • • Alumina content: <0.1% Al₂O₃
  • • Titanium content: <0.01% TiO₂
  • • Particle size: 0.1-2.0mm (custom sizes)
  • • Whiteness: 85-95% (ISO brightness)

Applications

  • • High-quality glass manufacturing
  • • Solar panel production
  • • Semiconductor industry
  • • Ceramics and refractories
  • • Foundry sands
  • • Chemical production

Quartz Product Specifications

Grade SiO₂ (%) Fe₂O₃ (%) Application
Ultra High Purity 99.9+ <0.005 Semiconductors
Solar Grade 99.8+ <0.01 Solar panels
Glass Grade 99.5+ <0.02 Glass manufacturing
Foundry Grade 98.5+ <0.1 Metal casting

Industrial Minerals

Comprehensive range of industrial minerals for construction, manufacturing, and industrial applications

Limestone & Dolomite

Specifications

  • • CaCO₃ content: 90-98%
  • • MgCO₃ content: 0-40% (dolomite)
  • • SiO₂ content: <2%
  • • Fe₂O₃ content: <0.5%
  • • Particle size: 0-50mm (various grades)

Applications

  • • Cement and concrete production
  • • Steel manufacturing (flux)
  • • Glass manufacturing
  • • Agricultural lime
  • • Construction materials

Feldspar & Kaolin

Specifications

  • • Al₂O₃ content: 15-25%
  • • SiO₂ content: 60-75%
  • • K₂O/Na₂O content: 5-15%
  • • Fe₂O₃ content: <0.5%
  • • Brightness: 70-90%

Applications

  • • Ceramics and porcelain
  • • Glass manufacturing
  • • Paint and coatings
  • • Plastics and rubber
  • • Paper manufacturing

Gypsum & Talc

Specifications

  • • CaSO₄·2H₂O content: 85-95%
  • • Mg₃Si₄O₁₀(OH)₂ content: 90-98%
  • • Particle size: D50 5-50μm
  • • Whiteness: 85-95%
  • • Moisture content: <1%

Applications

  • • Gypsum: Cement, plaster, drywall
  • • Talc: Cosmetics, paints, plastics
  • • Pharmaceuticals and food
  • • Rubber and polymer industries

Construction Materials

Specifications

  • • Aggregate size: 5-40mm
  • • Sand gradation: Various sizes
  • • Clay content: <2%
  • • Organic content: <0.5%
  • • Specific gravity: 2.5-2.8

Applications

  • • Concrete and asphalt production
  • • Road construction
  • • Building foundations
  • • Railway ballast
  • • Landscaping and drainage

Quality Standards & Certifications

ISO 9001

Quality management systems certification for consistent product quality.

ASTM Standards

Compliance with American Society for Testing and Materials specifications.

Traceability

Complete chain of custody documentation for all specialty minerals.

Sustainability

Responsible sourcing and environmental management for all operations.

Source Specialty Minerals

Contact our trading team for specialty mineral specifications and industrial supply solutions