King Black Granite

About
Item Details
- Material Type:
- Granite
- Origin:
China - Primary Color(s):
- Black
- 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:
- Absolute Black Granite, in China stone market:帝王黑(Dìwáng Hēi), King 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:
- ≤0.20%
- Density:
- 2900 kg/m³
- Flexural Strength:
- 15 - 18 MPa
- Compressive Strength:
- 180 - 200 MPa
Description
King Black Granite is a premium natural stone quarried in China, renowned for its deep, uniform black background and refined, minimalist appearance. The surface is distinguished by a subtle, finely speckled texture, composed of very small and sparsely distributed silver-gray to pale crystalline mineral inclusions. These delicate speckles are evenly scattered throughout the stone and gently reflect light at certain angles, adding subtle depth and natural character while preserving the stone’s clean, solid black aesthetic.
Texture & Pattern
Fine- to medium-grained, non-directional texture Uniform black base with micro-crystalline silver-gray speckles Consistent appearance, ideal for large surfaces and modern designs
Mineralogical Composition (% by weight – approx.)
- Plagioclase Feldspar: 45–50%
- Quartz: 25–30%
- Pyroxene / Amphibole: 15–20%
- Biotite & Accessory Minerals: 2–5%
Chemical Composition (% by weight – approx.)
- SiO₂: 60–65%
- Al₂O₃: 14–16%
- Fe₂O₃: 5–7%
- CaO: 4–6%
- MgO: 2–4%
- Na₂O + K₂O: 4–6%
Physical & Mechanical Properties
- Apparent Density: ~2,900 kg/m³
- Water Absorption: ≤0.20%
- Compressive Strength: 180–200 MPa
- Flexural Strength: 15–18 MPa
- Abrasion Resistance: Excellent
- Mohs Hardness: 6–7
- Frost Resistance: Excellent
Applications
- Kitchen and bathroom countertops
- Vanity tops and bar tops
- Flooring and wall cladding
- Staircases and thresholds
- Exterior façades and paving
- Memorials, monuments, and landscaping
- Suitable for both interior and exterior use, including high-traffic areas.
Maintenance
- Easy to maintain with mild, pH-neutral stone cleaners
- Highly resistant to staining and scratching
- Periodic sealing recommended for polished finishes to enhance longevity












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