River Black Granite is a deep, lustrous black granite from India whose rich black base carries natural lighter mineral flow lines — subtle, organic currents of grey and white that run through the dark matrix like water courses through rock, giving the stone a quiet, natural movement that flat blacks do not possess.
Quarried in India, River Black earns its name from the delicate natural flow lines that traverse its polished surface. This flowing quality gives it a visual character distinct from uniform black granites while retaining the depth and authority of a premium black stone, making it a refined choice for countertop, flooring, and feature applications.
| Colour | Deep black base with subtle grey and white natural mineral flow lines |
| Origin | India |
| Hardness | 6–7 on the Mohs scale |
| Density | 2.63–2.75 g/cm³ |
| Finishes Available | Polished, Honed, Flamed, Leathered, Sandblasted, Bush Hammered |
| Best For | Countertops, flooring, feature walls, exterior cladding |
Available from Stone Harbor in tiles, slabs, and blocks. Custom sizes and finishes on request. Contact us for export pricing.
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