GEOGRAPHIC LOCALIZATION
| PROVINCE | Almeria |
| TOWNSHIP | Lubrin |
MACROSCOPIC DESCRIPTION
Coarse grain rock with dark veins.
MINERAL COMPOSITION
| ESSENTIAL MINERALS | ACCESORY MINERALS |
| 97% Calcite | 2% Apatite, 1% Zircon, Quartz, opaques. |
MICROSCOPIC DESCRIPTION
Calcite marble with subrounded crystals. Quartz accumulation in some areas.
PHYSICO-MECHANICAL PROPERTIES
| BULK SPECIFIC GRAVITY | 2,72 g/cm3 |
| APPARENT POROSITY | 0,32% |
| ABSORPTION COEFFICIENT | 0,127% |
| COMPRESSION STRENGTH | 688 Kg/cm2 |
| BENDING STRENGTH | 136 Kg/cm2 |
| C. STRENGTH AFTER FREEZING TEST | 675 Kg/cm2 |
| FRICTIONAL WEAR TEST | 3,11 mm |
| IMPACT TEST | 54 cm |
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