| | Country: Portugal |
| Other names: Cinzento St. Eulália |
Petrographic description:
Rock with granular hypidiomorphic texture showing very slight kaolinitic alteration of the feldspars. |
Macroscopic description:
Medium to fine grained granite, dominantly biotitic, with homogeneous grey colour. |
| Phisical-Mechanical Properties: | | | Compression Breaking Load | 1790.00 Kg/cm2 | | Compression B.L. after FT | 1408.00 Kg/cm2 | | Bending Strength | 160.00 Kg/cm2 | | Volumetric Weight | 2643.00 Kg/m3 | | Water Absorption | 0.19% | | Apparent Porosity | 0.51% | | Thermal Lin.Expans.Coef. | 5.70 10^6perºC | | Abrasion Test | 0.20 mm | | Impact Test | 70.00 cm | | | | Chemical Analysis: | | | Al2O3 | 15.88 | | CaO | 2.22 | | Fe2O3 | 2.83 | | H2O+ | 0.50 | | K2O | 4.56 | | MgO | 0.68 | | MnO | 0.08 | | Na2O | 3.61 | | P2O5 | 0.13 | | SiO2 | 69.16 | | TiO2 | 0.24 | | H2O- | 0.10 |
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