MINERALOGICAL COMPOSITION
(weight %)
CALCITE

DOLOMITE

QUARTZ
CHROMITE
98
2
1
1
 
CHEMICAL ANALYSIS
(weight %)
SiO2
AI2O3
Fe2O3
MgO
CaO
Na2O
K2O
CO2
MnO
1.2
0.21
0.17
0.58
54.5
0.03
0.04
42.6
0.03

Santa Marina

Santa Marina

PHYSICAL AND MECHANICAL PROPERTIES

APPARENT SPECIFIC WEIGHT
kg/m3

2700
COMPRESSIVE STRENGTH
kp/cm3
803
ABRASION RESISTANCE
(mm) DIN 52108
6.35
ABSORPTION COEFFICIENT
Wt %
0.09
MODULUS OF RUPTURE
kp/cm2
104.5
**1 MPa = 1 N/mm2 = 10.2 kp/cm2