GEOGRAPHIC LOCALIZATION
| PROVINCE | Guipuzcoa |
| TOWNSHIP | Deba |
MACROSCOPIC DESCRIPTION
Medium-fine grain rock, compact, grey reddish colour.
MINERAL COMPOSITION
| ESSENTIAL MINERALS | ACCESORY MINERALS |
| 99% Calcite | Quartz, plagioclase, clay minerals. |
MICROSCOPIC DESCRIPTION
Porous rock with fossil remains and pellets in a micritic matrix.
PHYSICO-MECHANICAL PROPERTIES
| BULK SPECIFIC GRAVITY | 2,80 g/cm3 |
| APPARENT POROSITY | 0,30% |
| ABSORPTION COEFFICIENT | 0,09% |
| COMPRESSION STRENGTH | 1.002 Kg/cm2 |
| BENDING STRENGTH | 189 Kg/cm2 |
| C. STRENGTH AFTER FREEZING TEST | 806 Kg/cm2 |
| FRICTIONAL WEAR TEST | 2,65 mm |
| IMPACT TEST | 30 cm |
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