Mineralogic Composition: |
Main minerals: quartz, potassic, felspar, plagioclase, biotite.
Accesory minerals: apatite, zirconium, sphene.
Physical and mechanical characteristics: |
Apparent specific gravity | 2,66 gr/cm³ |
Absorption coefficient | 0,25% |
Mechanical resistence to compression | 1.381 kg/cm³ |
Mechanical resistence to flesion | 102 kg/cm² |
Resistance to erosion | 1,6 mm |
Resistance to blows | 50 cm |
Frost resistance | 0,02% |
Alteration for thermic blast | No change |