Properties
Physical Properties
Hardness
6
6-7
Grain Size
Fine Grained
Large and Coarse Grained
Fracture
Conchoidal
Not Available
Streak
White to Grey
White
Porosity
Less Porous
Less Porous
Luster
Not Available
Dull to Grainy with Sporadic parts Pearly and Vitreous
Compressive Strength
37.40 N/mm2
28
175.00 N/mm2
13
Cleavage
Not Available
Not Available
Toughness
2.3
Not Available
Specific Gravity
2.8-3
2.6-2.7
Transparency
Opaque
Opaque
Density
2.9-3.1 g/cm3
2.6-2.8 g/cm3
Thermal Properties
Specific Heat Capacity
0.84 kJ/Kg K
15
0.79 kJ/Kg K
16
Resistance
Heat Resistant, Pressure Resistant, Wear Resistant
Heat Resistant, Wear Resistant
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