GRANITES OF THE WORLD

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GREAT GRAY

GREAT GREY. GRANITES OF THE WORLD

GENERAL CHARACTERISTICS :

The GREAT GRAY is a rock in the one which prevail the grayish tones, medium to bulk grain compact and of irregular fracture.
LOCATION: The GREAT GRAY is found in the province of Orense in the municipal term of Celanova.
The development fronts of the quarries are of great length, almost exempt of fractures. The extracted blocks are of large measure.
The GREAT GRAY presents scarce alteration risk. It is behaved well in all type of complete superficial, and it can be used in interior and external applications.

PHYSICO-MECHANICAL CHARACTERISTICAS

Volumetric weight 2,63 gr/cm3
Absorption coefficient 0,34 %
Compression strength 1.321 kg/cm2
Flexure strength 101 kg/cm2
Friction wear resistance 0,21 mm.
Impact strength 60 cm.
Freezing test coefficient 0,03%

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