Hangzhou Basalt

Basalt

A black, dark grey basalt with a documented natural-stone character. Appearance can vary by bench and block selection. Recorded applications include paving, cladding, cobbles and landscape.

Stone familyBasalt

Primary colourBlack

Medium-Low verification · Reference STN-0003363

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Specification snapshot

Indicative catalogue data. Verify the exact stone, finish, thickness and current test certificates before specification.

Mohs hardness6

Water absorption0.1-1.0 %

Compressive strength100-250 MPa

Flexural strength8-25 MPa

Density2700-3100 kg/m³

PorosityNot reported

Material profile

Character & application

Common finishes: Honed, flamed, bush hammered, sandblasted, brushed, natural split
Typical uses: Paving, cladding, cobbles, landscape, exterior tiles
Exterior suitability: High
Frost resistance: Good
Recorded colour palette: Black, Dark Grey
Slab variation: V3 Moderate variationModerate variation: veining, colour or pattern can change between slabs.