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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
Supply & Dispatch
Buy Telephone Black in Kishangarh
Telephone Black is quarried at Karnataka, India and processed at our own facility in Kishangarh, Rajasthan — cut, polished (or any of 5 finishes), hand-inspected in daylight and crated on site. Selecting in person is welcome: tell us the lot size you need and we will have Telephone Black slabs standing out for you when you arrive.
Domestic orders dispatch by road from the MEGA Highway (NH-448 corridor) and by rail from the Kishangarh (KSG) railhead. Export consignments containerise for Mundra & Kandla ports, Gujarat.
- Quarry origin
- Karnataka, India
- Processed at
- Khasra No.948, 4, MEGA Highway, Tehsil, Ralawata, Kishangarh, Rajasthan 305801
- Finishes available
- Polished, Honed, Flamed, Leather, Brushed
- Formats
- Tiles and slabs up to 300 × 150 cm · 20 mm
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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