MACROSCOPIC DESCRIPTION
- Dark grey "ruivina type" marble, fine grained.
MICROSCOPIC FEATURES
- Essential Minerals: Calcite. ~99%
- Acessory Minerals: Quartz, Muscovite and opaque minerals.
PHYSICO-MECHANICAL PROPERTIES
- Compression breaking load 930 Kg/cm2
- Compression breaking load after freezing test 952 Kg/cm2
- Bending strength 270 Kg/cm2
- Volumetric weight 2715 Kg/m3
- Water absorption at N.P. conditions 0.05 %
- Apparent porosity 0.14 %
- Thermal linear expansion coefficient 5.4 10-6 per ºC
- Abrasion test 2.6 mm
- Impact test: minimum fall height 45-50 cm
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PREVALLING APPLICATIONS
- Exterior and interior user. Furnitures tops