Granite Swedish Black Diabase
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Granite
Swedish Black Diabase
Granite / syenite / larvikite family
A black, dark grey granite with a documented natural-stone character. The recorded appearance includes natural variation; verify slab photos and quarry selection. Recorded applications include countertops, paving, cladding and stairs.
Stone familyGranite
Primary colourBlack
Medium verification · Reference STN-0005542
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Professional reference
Specification snapshot
Indicative catalogue data. Verify the exact stone, finish, thickness and current test certificates before specification.
Mohs hardness6-7
Water absorption0.1-0.5 %
Compressive strength120-220 MPa
Flexural strength10-25 MPa
Density2600-2800 kg/m³
PorosityNot reported
Material profile
Character & application
- Common finishes
- Polished, honed, flamed, bush-hammered, leathered
- Typical uses
- Countertops, paving, cladding, stairs, kerbs, exterior works
- Exterior suitability
- Good to excellent
- Frost resistance
- Generally good
- Recorded colour palette
- Black, Dark Grey