GEOGRAPHIC LOCALIZATION
| PROVINCE | Guipúzcoa |
| TOWNSHIP | Deba |
MACROSCOPIC DESCRIPTION
Breccial-look limestone, fine grain, grey-pink colour and abundant pink coloured fossil remains.
MINERAL COMPOSITION
| ESSENTIAL MINERALS | ACCESORY MINERALS |
| 93% Calcite | 3% Dolomite, 3% Quartz, 1% opaques. |
MICROSCOPIC DESCRIPTION
Calcite is in matrix and veins. In this case it appears in bigger crystals. Quartz is associated with small particles of phyllosilicates.
PHYSICO-MECHANICAL PROPERTIES
| BULK SPECIFIC GRAVITY | 2,71 g/cm3 |
| APPARENT POROSITY | 0,12% |
| ABSORPTION COEFFICIENT | 0,05% |
| COMPRESSION STRENGTH | 830 Kg/cm2 |
| BENDING STRENGTH | 87 Kg/cm2 |
| C. STRENGTH AFTER FREEZING TEST | 842 Kg/cm2 |
| FRICTIONAL WEAR TEST | 3,25 mm |
| IMPACT TEST | 52 cm |
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