LEVADIA BLACK

MINERALOGICAL COMPOSITION CHEMICAL ANALYSIS (Weight %)
CALCITE 96 CaO 54,50
ALBITE K20 0,04
DOLOMITE 4 MgO 0,70
EPIDOTE Na2O 0,09
QUARTZ SiO2 1,00
HEMATITE MnO
MUSCOVITE Fe2O3 0,10
CHROMITE CO2 43,50
SERICITE Al2O3 0,26
CLAYS
CLORITE
PHYSICAL AND MECHANICAL PROPERTIES
APPARENT SPECIFIC WEIGHT Kg/m3 2680
MODULUS OF ELASTICITY tn/cm2
ABSORPTION COEFFICIENT Wt% 0,02
ABRASION RESISTANCE mm (DIN 52108) 5,59
COMPRESSIVE STRENGTH Kg/cm2 723
MICROHARDNESS KNOOP Kg/mm2
MODULUS OF RAPTURE Kg/cm2 149