Rosa Arronches Country: Portugal Other names: Rosa de Arronches Petrographic description:  Rock with granular hypidiomorphic texture. Macroscopic description:  Coarse grained homogeneous porphyroid granite, with a light rosy colour determined by the tonality of the feldspar megacrystals that stand out from a greyish white matrix containing dark grains. Phisical-Mechanical Properties:     Compression Breaking Load    1335.00 Kg/cm2 Compression B.L. after FT    1527.00 Kg/cm2 Bending Strength    120.00 Kg/cm2 Volumetric Weight    2632.00 Kg/m3 Water Absorption    0.15 % Apparent Porosity    0.40 % Thermal Lin.Expans.Coef.    9.30 10^6perēC Abrasion Test    0.40 mm Impact Test    57.50 cm   Chemical Analysis:     Al2O3    14.73 CaO     1.74 Fe2O3     2.74 H2O+     0.24 K2O     4.43 MgO     0.67 MnO     0.03 Na2O     3.87 P2O5    0.06 SiO2    71.72 TiO2     0.23 H2O-     0.18  · Own Granites  · Other Granites