RAINBOW

MINERALOGICAL COMPOSITION CHEMICAL ANALYSIS (Weight %)
CALCITE CaO
ALBITE K20
DOLOMITE MgO
EPIDOTE Na2O
QUARTZ SiO2
HEMATITE MnO
MUSCOVITE Fe2O3
CHROMITE CO2
SERICITE Al2O3
CLAYS
CLORITE
PHYSICAL AND MECHANICAL PROPERTIES
APPARENT SPECIFIC WEIGHT Kg/m3
MODULUS OF ELASTICITY tn/cm2
ABSORPTION COEFFICIENT Wt%
ABRASION RESISTANCE mm (DIN 52108)
COMPRESSIVE STRENGTH Kg/cm2
MICROHARDNESS KNOOP Kg/mm2
MODULUS OF RAPTURE Kg/cm2