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Soapstone

Stormy Black Soapstone

Soapstone

A black, grey soapstone with a documented natural-stone character. The recorded appearance includes soft black soapstone movement. Recorded applications include blocks, slabs, worktops and wall cladding.

Stone familySoapstone
Primary colourBlack

Market-name verified; quarry/operator to enrich verification · Reference STN-0001269

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Professional reference

Specification snapshot

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

Mohs hardness2-4
Water absorption0.2-1.5 %
Compressive strength60-180 MPa
Flexural strength10-25 MPa
Density2600-2900 kg/m³
PorosityNot reported

Material profile

Character & application

Common finishes
Polished; honed; leathered; brushed; flamed/sawn where suitable
Typical uses
Blocks; slabs; worktops; wall cladding; flooring; bathrooms; feature walls; furniture surfaces
Exterior suitability
Good for slabs/cladding/worktops when specified correctly; verify finish and absorption
Frost resistance
Generally good; verify by technical datasheet for each quarry batch
Recorded colour palette
Black, Grey
Slab variation