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Granite
Telephone Black
Mohs 6–7Hardness
2.88 g/cm³Density
210–250 MPaCompressive Str.
5Finishes
About This Stone
Telephone Black
GraniteTelephone Black Granite is a premium Karnataka stone renowned for its true, absolute-black surface with virtually zero colour variation or crystal flecks. It is the purest form of black granite available from India and is the top choice for high-precision architectural applications.
- True absolute black — virtually zero colour variation
- India's most consistent black granite surface
- Ultra-dense — takes the highest mirror polish
- Preferred for precision architectural installations
Technical Specifications
OriginKarnataka, India
Stone TypeGranite
Density2.88 g/cm³
Compressive Strength210–250 MPa
Water Absorption< 0.03%
Hardness (Mohs)Mohs 6–7
PorosityExtremely Low
Thickness20 mm
Available Sizes12 × 12 in · 18 × 18 in · 24 × 24 in · 24 × 48 in · Custom Slab
Available Finishes
Best For
Premium QualityCarefully selected blocks
Consistent SupplyReliable & on-time delivery
Custom Sizes AvailableTailored to your project needs
Expert SupportGet advice from our stone experts
✦Telephone Black✦Karnataka, India✦Polished✦Honed✦Flamed✦Leather✦Brushed✦Direct from Quarry✦Ships Worldwide✦Telephone Black✦Karnataka, India✦Polished✦Honed✦Flamed✦Leather✦Brushed✦Direct from Quarry✦Ships Worldwide✦Telephone Black✦Karnataka, India✦Polished✦Honed✦Flamed✦Leather✦Brushed✦Direct from Quarry✦Ships Worldwide
FAQ
Telephone Black FAQs
Find clear, expert answers to common queries regarding stone selection, processing, dimensions, and maintenance details.
Have a Custom Question? Chat UsTelephone Black is a true, absolute-black Karnataka stone with virtually zero colour variation or crystal flecks — the purest black granite from India, ideal for high-precision architectural work.
It is more uniform and flec-free than most blacks, and its ultra-dense surface takes the highest mirror polish. This consistency is why architects specify it where a flawless black is essential.
Yes. Its extreme density, very low water absorption and uniform colour make it excellent for luxury countertops and feature surfaces.
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