Materials

Negro Marquina

Appearance

The Negro Marquina is a black coloured marble, with fine grain and occasional areas with white veinage and fossils remains. It presents a very dark black coloured and uniform background. Its main variations depend on the intensity of the black colour, abundance of white veinage and white fossils.

Location

Marquina-Jemein - Basque Country

Recommended Use

It is very appreciated in flooring (particularly interior), staircases, cladding and coverings. It is also commonly used in traditional flooring.

Technical data

Compression strenght	61,67 MPa
Bending strenght	13,33 MPa
Volumetric weight	2,69 gms/cm3
Friction wear resistance	2,90 mm
Porosity	0,47 %
Knoop micro-hardness	1333,33 MPa
Absorption coefficient	0,17 %
Impact test (minimum height)	30 cms

Obs. This technical data is just a representative technical data. Do not consider it as 100% accurate or extremely updated.
Source: Incom Pastor

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