Eastern Cape Blue Slate

Slate

Documented as a slate, this stone has a blue, grey palette. Appearance can vary by bench and block selection. Recorded applications include roofing, flooring, cladding and landscaping.

Stone familySlate

Primary colourBlue

Medium-Low verification · Reference STN-0003941

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Specification snapshot

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

Mohs hardness3-4

Water absorption0.10-1.00 %

Compressive strength80-200 MPa

Flexural strength20-50 MPa

Density2600-2850 kg/m³

PorosityNot reported

Material profile

Character & application

Common finishes: Natural cleft, brushed, honed, calibrated
Typical uses: Roofing, flooring, cladding, landscaping, craft
Exterior suitability: High if tested
Frost resistance: Good if selected
Recorded colour palette: Blue, Grey
Slab variation: V3 Moderate variationModerate variation: veining, colour or pattern can change between slabs.