ERETRIA RED

MINERALOGICAL COMPOSITION CHEMICAL ANALYSIS (Weight %)
CALCITE 92 CaO 51,39
ALBITE K20
DOLOMITE 2 MgO 1,55
EPIDOTE Na2O
QUARTZ 3 SiO2 2,44
HEMATITE MnO
MUSCOVITE Fe2O3 0,38
CHROMITE CO2 41,69
SERICITE Al2O3 2,03
CLAYS 3
CLORITE
PHYSICAL AND MECHANICAL PROPERTIES
APPARENT SPECIFIC WEIGHT Kg/m3 2685
MODULUS OF ELASTICITY tn/cm2
ABSORPTION COEFFICIENT Wt% 0,28
ABRASION RESISTANCE mm (DIN 52108) 3,93
COMPRESSIVE STRENGTH Kg/cm2 1114
MICROHARDNESS KNOOP Kg/mm2
MODULUS OF RAPTURE Kg/cm2 143