Sable Black Granite

About
Item Details
- Material Type:
- Granite
- Origin:
South Africa (Eastern Cape, South Africa) - Recommended Usage:
- Kitchen and bathroom countertops, monuments, building stone, ornamental stone, stairs, interior, exterior wall and floor applications, mosaic, waterjet pattern, wall panels, table tops, window sills, balustrades, columns, wall and pool copings, pool pavers, sculptures, fireplaces, pavers, cobbles, curbstone
- Additional Names:
- Eastern Cape Black Granite, Estuary Black Granite
- Finished Surface:
- Polished,Flamed,Bush Hammered,Tumbled,Brushed,Honed,Split,Machine Cut,Natural Surface,Sandblasted,Acid Washing,Combed,Leathered,Water Jet,Filled,Chiseled,Pickling
Testing
- Water Absorption:
- 0.03 %
- Density:
- 2990 kg/m³
- Flexural Strength:
- 32.64 MPa
- Compressive Strength:
- 339 MPa
Description
Sable Black Granite is a fine-grained, high-density dolerite granite featuring a deep black background with refined silver-gray speckles, quarried in the Eastern Cape, South Africa. Known for its exceptional strength, durability, and low water absorption, this granite is ideal for high-end architectural, interior, and exterior applications.
Texture & Pattern
- Texture: Fine-grained, smooth, and compact with a uniform structure.
- Pattern: Predominantly dark black base with silver-gray speckles, giving it a sophisticated and elegant appeal.
- Porosity: Extremely low, providing excellent resistance to moisture, staining, and weathering.
Technical Properties (Test Results)
- Water Absorption (Max): 0.03% (Highly resistant to moisture, preventing surface deterioration)
- Density (Min): 2.99 g/cm³ (2990 kg/m³) (Exceptional density, ensuring high durability)
- Compressive Strength (Min): 339 MPa (Withstands extreme pressure and load)
- Flexural Strength (Min): 32.64 MPa (Excellent resistance to bending and cracking)
- Rupture Modulus (Min): 34.50 MPa (High structural stability for heavy-duty applications)
- Abrasion Resistance (Min): 82.1 La (Ideal for high-traffic flooring and exterior applications)
Chemical Composition (% by Weight)
- Silica (SiO2): ~50-55% (Major component, adds durability and resistance)
- Alumina (Al2O3): ~12-18% (Contributes to strength and color consistency)
- Iron Oxide (Fe2O3): ~10-12% (Gives the granite its deep color and durability)
- Calcium Oxide (CaO): ~8-10%
- Magnesium Oxide (MgO): ~5-7%
- Potassium Oxide (K2O): ~2-4%
- Sodium Oxide (Na2O): ~2-3%
Mineral Composition (% by Weight)
- Plagioclase Feldspar: ~40-50% (Provides strength and stability)
- Pyroxene (Augite): ~25-35% (Contributes to hardness and color uniformity)
- Olivine: ~5-10% (Enhances durability)
- Iron & Magnesium Minerals: ~5-10% (Adds deep color and resilience)
Applications & Usage
- Interior Flooring & Wall Cladding: Highly durable, scratch-resistant, and elegant for modern and classic designs.
- Countertops & Kitchen Islands: Resistant to heat, stains, and scratches, making it a top choice for residential and commercial kitchens.
- Exterior Façades & Wall Panels: Its durability and weather resistance make it perfect for skyscrapers and modern architectural projects.
- Monuments & Memorials: The deep black color is favored for tombstones and memorials.
- Paving & Landscaping: Ideal for driveways, walkways, and pool surroundings due to its slip-resistant properties.
- Staircases & Steps: Strong and stylish, adding a refined touch to entrances.
Maintenance & Care
- Cleaning: Use mild soap and water; avoid harsh acidic or alkaline cleaners.
- Sealing: Not required due to its low porosity, but optional sealing can enhance its longevity.
- Scratch & Heat Resistance: Highly durable and resistant to daily wear and extreme temperatures.
- Stain Prevention: Naturally resistant, but periodic sealing enhances protection against spills and oils.
Available Cutting Sizes (cm)
Tiles:
- 30 x 30 cm
- 60 x 30 cm
- 60 x 60 cm
- Custom sizes available upon request
Slabs:
- Standard Thickness: 2 cm & 3 cm
- Jumbo Slabs Available
Blocks: Custom sizes available for special architectural and construction projects.
Surface Finish Options
- Polished: Enhances the deep black tones with a glossy, reflective surface.
- Honed: A smooth, matte finish offering a more subdued, natural look.
- Flamed: Textured for slip resistance, making it ideal for outdoor applications.
- Brushed: Lightly textured for a refined yet rugged appeal.
- Leathered: Provides a unique, slightly rough texture while maintaining depth of color.
- Sawn Cut: A raw, unpolished surface suitable for industrial and heavy-duty construction applications.
Conclusion
Sable Black Granite is a premium-quality dolerite granite, distinguished by its fine-grain structure, deep black color, and silver-gray speckled pattern. With exceptional strength, low porosity, and high abrasion resistance, it is an excellent choice for luxury residential and commercial applications. Whether used for high-end countertops, modern facades, durable flooring, or elegant monuments, this natural stone delivers timeless beauty, superior durability, and low maintenance.

















