Properties
Physical Properties
Hardness
7
6
Grain Size
Very fine-grained
Fine Grained
Fracture
Uneven
Conchoidal
Streak
White
White to Grey
Porosity
Less Porous
Less Porous
Luster
Vitreous
Not Available
Compressive Strength
225.00 N/mm2
7
37.40 N/mm2
28
Cleavage
Not Available
Not Available
Toughness
1.1
2.3
Specific Gravity
2.5-2.8
2.8-3
Transparency
Opaque
Opaque
Density
2.11-2.36 g/cm3
2.9-3.1 g/cm3
Thermal Properties
Specific Heat Capacity
2.39 kJ/Kg K
2
0.84 kJ/Kg K
15
Resistance
Heat Resistant, Pressure Resistant, Wear Resistant
Heat Resistant, Pressure Resistant, Wear Resistant
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