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Xisto Tanha

Schist and Slate

Dark grey-green, compact metamorphic stone, with a coarse slaty cleavage, marked by millimeter-sized alternations between phyllites and siltstones (quartz).

Color

Grey

Region

North

Origin

Peso da Régua

Occurrence

Vilarinho de Freires

Reservation Availability

Available

Other Commercial Names

Xisto de Tanha

Recommended Uses

Indoor and Outdoor

Countertops

Decorative pieces

Kerbs of Natural Stone for External Paving (NP EN 1343)

Modular tiles (NP EN 12057)

Paving Cubes and Kerbs (NP EN 1342)

Rough blocks (NP EN 1467)

Rough Slabs (NP EN 1468)

Shower Tray

Slabs (NP EN 1341)

Slabs for Cladding (NP EN 1469)

Slabs for Floors and Stairs (NP EN 12058)

Stone Share Project

Uniaxial Compressive Strength

136 MPa

Apparent Density

2770 kg/m3

Mechanical Compressive Strength after Freeze-Thaw Testing

59,6 MPa

Bending Strength

58,2 MPa

Water Absorption at Atmospheric Pressure

0.2 %

Open Porosity

0.4 %

Abrasion Resistance (Capon)

31,5 mm
0/2/3
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