Stones
About us
Quarries
Factory
Show Room
Stones
Aplications
RUIVINA ESCURO (Portugal)
Marble

Rock with granoblastic texture, rather uniformely grained (medium to fine), showing slightly deformed zones.
Dark grey "Ruivina type" marble, fine grained.

Physical Properties
Compression Breaking Load930
Compression B.L. after FT952
Bending Strength270
Water Absorption0.05
Apparent Porosity0.14
Thermal Lin.Expans.Coef.5.4
Abrasion Test2.6
Impact Test47.5

Chemical Properties
Al2O30.36%
CaO55.07%
Fe2O30.09%
K2O0.12%
MgO0.18%
Na2O0.05%
P.R.43.42%
SiO21.07%

Microscopical Properties
CALCITE99%
OTHERS1%

Hosted and designed by Variograma