SPIDER

MINERALOGICAL COMPOSITION CHEMICAL ANALYSIS (Weight %)
CALCITE 5 CaO 30,00
ALBITE K20 0,01
DOLOMITE 95 MgO 20,80
EPIDOTE Na2O 0,04
QUARTZ SiO2 1,20
HEMATITE MnO 0,02
MUSCOVITE Fe2O3 0,20
CHROMITE CO2 46,1
SERICITE Al2O3 0,16
CLAYS
CLORITE
PHYSICAL AND MECHANICAL PROPERTIES
APPARENT SPECIFIC WEIGHT Kg/m3 2776
MODULUS OF ELASTICITY tn/cm2
ABSORPTION COEFFICIENT Wt% 0,20
ABRASION RESISTANCE mm (DIN 52108) 3,71
COMPRESSIVE STRENGTH Kg/cm2 1598
MICROHARDNESS KNOOP Kg/mm2
MODULUS OF RAPTURE Kg/cm2 133