Branco Estremoz
Origin: Portugal
Type: Marble
Macroscopic Description
Rock with granoblastic roughly equigranular texture, showing slight deformation
Petrographic Description
White marble slightly rose and grey veined, fine grained.
Physico-Mechanical Properties
- Compression Breaking Load: 960 Kg/cm2
- Compression Breaking Load after Freezing Test: 767 Kg/cm2
- Bending Strength: 276 Kg/cm2
- Volumetric Weight: 2711 Kg/m3
- Water Absorption: 0,07%
- Apparent Porosity: 0,18%
- Thermal Linear Expansion Coefficient: 11,5 (10^6 per ºC)
- Abrasion Test: 3,4 mm
- Impact Test: 57,5 cm
Chemical Properties
- Al2O3: 0,37%
- CaO: 54,82%
- Fe2O3: 0,08%
- K2O: 0,25%
- MgO: 0,36%
- Na2O: 0,07%
- P. R.: 43,07%
- SiO2: 1,21%
Microscopical Properties
- Calcite: 99%
- Quartz: 1%