BLACK RUIVINA

Description

Origin:

Portugal (Ruivina, São Tiago de Rio de Moinhos, Vila Vicosa, Estremoz, Evora)

Black Ruivina Marble is a very dark grey to black background with light streaks metamorphic rock,

Recommended Usage for Exterior - Interior wall and floor applications, mosaic, fountains, pool and wall capping

Finishing Surface can be Polished, Sawn Cut, Sanded, Rockfaced, Sandblasted, Tumbled

Also named Black Ruivina Marble,Marmore Negro Ruivina,Ruivina Dark Marble,Ruivina Escuro Marble,Ruivina Escura Marble Marble

Testing

Water Absorption:0.05 By weight %

Density:2715 kg/m³

Flexural Strength:27.0 MPa

Compressive Strength:93.0 MPa

Description

Negro Ruivina Marble is a very dark grey to black background with light streaks metamorphic rock,

PHISICAL-MECHANICAL PROPERTIES

Compression Breaking Load: 930 Kg/cm2
Compression B.L. after Freezing Test: 952 Kg/cm2
Bending Strength: 270 Kg/cm2
Volumetric Weigth: 2715 Kg/m3
Water Absorption: 0,05 %
Apparent Porosity: 0,14 %
Thermal Linear Expansion Coefficient: 5,4 10^6 per oC
Abrasion Test: 2,6 mm
Impact Test: 50 cm
Freeze-Defreeze cycles (no alteration after): 48 cycles
MICROSCOPIC PROPERTIES
Calcite: ~98 % Quartz: < 1%
CHEMICAL ANALYSIS
Al2O3: 0,36%
CaO: 55,07%
Fe2O3: 0,09%
K2O: 0,12%
MgO: 0,18%
Na2O: 0,05%
P.R.: 43,42%
SiO2: 1,07%
CO2: 43,42%
P2O5: 0,03%