Properties
Physical Properties
Hardness
7
5.5-6
Grain Size
Fine Grained
Medium to Fine Coarse Grained
Fracture
Conchoidal
Not Available
Streak
Black
White
Porosity
Highly Porous
Less Porous
Luster
Not Available
Subvitreous to Dull
Compressive Strength
Not Available
150.00 N/mm2
14
Cleavage
Not Available
Perfect
Toughness
1.6
Not Available
Specific Gravity
Not Available
2.6-2.7
Transparency
Opaque
Opaque
Density
Not Available
2.6-2.8 g/cm3
Thermal Properties
Specific Heat Capacity
Not Available
0.92 kJ/Kg K
10
Resistance
Impact Resistant, Pressure Resistant, Wear Resistant
Heat Resistant, Impact Resistant, Wear Resistant
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