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Cinza Escuro Roriz

Granite

Rock with fine grain. Holocrystalline sample, phaneritic, mesocratic, with grayish blue shade. Homogeneous granular texture. Good cohesion. Does not show holes, cracks, veins or lineation. Minerals constituents have grains shape commonly anhedral. Does not present alteration or weathering. This rock is essentially formed by feldspar, biotite and quartz.

Color

Grey

Region

North

Origin

Porto

Occurrence

Sanfins de Ferreira – Paços de Ferreira

Reservation Availability

Available

Other Commercial Names

Cinzento de Paços Ferreira, Azul cinzento - Nomenclature EN12440, Roriz, Cinzento escuro de Paços de Ferreira, Negro Roriz

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)

Data provided by the company Sociedade das Pedreiras do Marco, Lda.

Uniaxial Compressive Strength

157 Mpa

Apparent Density

2700 kg/m3

Bending Strength

17,2 Mpa

Water Absorption at Atmospheric Pressure

0,2 %

Open Porosity

0,8 %

Abrasion Resistance (Capon)

16,5 mm

Companies

RG Granitos, Lda.

Perafita
Sociedade das Pedreiras do Marco, Lda

Alpendorada
0/2/3
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