GEOGRAPHIC LOCALIZATION
| PROVINCE | Navarra |
| TOWNSHIP | Larrún |
MACROSCOPIC DESCRIPTION
Fine grain limestone, pink coloured with some fossil remains.
MINERAL COMPOSITION
| ESSENTIAL MINERALS | ACCESORY MINERALS |
| 92% Calcite, 7% Dolomite | Clay minerals. |
MICROSCOPIC DESCRIPTION
Mollusc fossils in a sparitic matrix.
PHYSICO-MECHANICAL PROPERTIES
| BULK SPECIFIC GRAVITY | 2,70 g/cm3 |
| APPARENT POROSITY | 0,13% |
| ABSORPTION COEFFICIENT | 0,02% |
| COMPRESSION STRENGTH | 686 Kg/cm2 |
| BENDING STRENGTH | 278 Kg/cm2 |
| C. STRENGTH AFTER FREEZING TEST | 634 Kg/cm2 |
| FRICTIONAL WEAR TEST | 2,31 mm |
| IMPACT TEST | 35 cm |
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