Brecha Tavira
LIMESTONE
DESCRIPTION (MACROSCOPIC)
Greyish limestone with golden and reddish spots, bioclastic, sometimes calciclastic, with nodules.
PREVAILING APPLICATIONS
For interior uses, in preference.
PHYSICO-MECHANICAL PROPERTIES
| Compression breaking load | Kg/cm2 | 1166 |
| Compression breaking load after freezing test | Kg/cm2 | 1225 |
| Bending Strength | Kg/cm2 | 191 |
| Volumetric Weight | Kg/m3 | 2704 |
| Water absorption at N.P. conditions | % | 0.24 |
| Apparent porosity | % | 0.65 |
| Thermal Linear expansion coefficient | X10-6perº C | 5.9 |
| Abrasion Test | mm | 2.2 |
| Impact test: minimum fall height | cm | 35 |
CHEMICAL ANALYSIS
| SiO2 | 0.90% |
| AI2O3 | 0.60% |
| Fe2O3 | 0.35% |
| MnO | vest. |
| CaO | 48.71% |
| MgO | 5.12% |
| Na2O | 0.08% |
| K2O | 0.16% |
| TiO2 | vest. |
| P.R | 43.90% |
| CO2 | 43.82% |
LOCATION
District
Faro
Municipality
S. Brás de Alportel