Black Forest Granite.
Black Forest Granite is a deep charcoal-grey stone from Karnataka with a fine, even speckle of lighter grey and silver minerals — a sophisticated, less stark alternative to pure black granites that works well across interior and exterior applications.
About Forest
Black Forest Granite is quarried in Karnataka, within the Dharwar Craton, where the specific combination of dark hornblende-rich mineralogy with lighter feldspar produces a consistently dark grey stone with subtle tonal variation. The quarry is a well-established production source supplying both domestic and export markets. Blocks are processed to gangsaw slabs and tiles at Karnataka processing units before FOB loading at Mundra / Nhava Sheva. Origin and specifications verified by Gemarix.
Geological Profile
Black Forest is a fine-to-medium grained mafic granite to gabbro dominated by hornblende, plagioclase feldspar, and subordinate quartz. The dark matrix results from the high hornblende and biotite content, while lighter plagioclase grains introduce a fine silver-grey speckle across the black field. Accessory magnetite and ilmenite contribute additional opacity to the matrix. The low porosity — well below 0.1% water absorption — makes the stone highly resistant to staining and frost damage.
Color & Character
Black Forest Granite presents a deep charcoal-grey to near-black background scattered with small to medium grains of lighter grey plagioclase that introduce a subtle, even speckle across the surface. Unlike pure black granites, the lighter mineral component gives the stone a softer, less absolute quality — visually darker than grey granites but with more inherent movement than absolute blacks. On polished surfaces, the lighter feldspar grains develop a sheen that contrasts with the dark hornblende matrix, creating a nuanced, layered appearance.
Best Applications
Kitchen Countertops
Black Forest's near-zero porosity and high hardness make it an excellent kitchen worktop material, combining the practical benefits of an absolute black with a slightly softer visual character.
Wall Cladding
Dark feature walls in hospitality lobbies, residential interiors, and commercial spaces benefit from the stone's depth and the subtle texture its mineral speckle introduces.
Flooring
Honed Black Forest provides excellent slip resistance for high-traffic commercial floors, corridors, and entrance areas while maintaining a dark, contemporary aesthetic.
Exterior Facades
The stone's high density and near-zero porosity make it suitable for exterior cladding, plinth facings, and paving in all climatic conditions.
Bathroom Surfaces
Polished Black Forest vanity tops and shower walls create dark, dramatic bathroom environments with the practical advantage of very low staining risk.
Staircase Treads
The stone's hardness and natural dark colour make it a practical and visually refined choice for staircase treads, risers, and landing surfaces.
Available Finishes
Polished
Mirror-bright finish that enhances colour depth and mineral detail.
Honed
Matte, contemporary surface with good slip resistance for flooring and wet areas.
Leathered
Subtle micro-texture with sophisticated hand feel, ideal for kitchen surfaces and feature walls.
Brushed
Tactile finish with a refined natural feel, suited to exterior and heritage applications.
Available Sizes
Gangsaw Slabs
up to 280 × 180 cm
Thickness: 18, 20, or 30 mm. Ideal for large-format countertops and continuous wall cladding.
Cutter Slabs
up to 240 × 75 cm
Thickness: 16, 18, or 20 mm. Standard for kitchen vanity tops and commercial worktops.
Tiles
30×30, 30×60, 60×60 cm
Calibrated tiles for flooring and wall applications.
Custom Cuts
Cut-to-size
Bespoke dimensions available for export orders on request.
Care & Maintenance
Black Forest Granite requires minimal maintenance due to its near-zero porosity. An impregnating sealer at installation provides added protection for kitchen and bathroom use but is not strictly required for most applications. Clean with a pH-neutral stone cleaner; the dark surface will show water marks on polished finishes if not dried promptly. Polished Black Forest retains its finish under normal conditions without periodic re-polishing.
Request a Quote
Price on request. FOB Mundra / Nhava Sheva. MOQ and pricing vary by specification and destination. Contact us for availability, samples, and lead times.