Rosa Coral

Rosa Coral - Polished

Rosa Coral - Polished

Macroscopic description

Biotitic porphyroid not granite, medium coarse grain, though it accuse parcial fine granulation for tectonization. On the whole occurs the predomination from the alkaline feldspars regarding the plagioclasses.






Physico-mechanical properties

Compression breaking load 1703 Kg/cm2
Compression breaking load after freezing test 1678 Kg/cm2
Bending strength 200 Kg/cm2
Volumetric weight 2635 Kg/m3
Water absorption at N.P. conditions 0.16 %
Apparent porosity 0.44 %
Thermal linear expansion coefficient 7.8 X10-6 perºc
Abrasion test  0.2 mm
Impact test 55-60 cm
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