Properties
Physical Properties
Hardness
6-7
3.5-4
Grain Size
Fine Grained
Fine Grained
Fracture
Conchoidal
Not Available
Streak
White
White
Porosity
Highly Porous
Very Less Porous
Luster
Dull
Dull
Cleavage
Not Available
Perfect
Toughness
2.6
2.6
Specific Gravity
2.54-2.73
0
Transparency
Opaque
Opaque
Density
2.6-2.7 g/cm3
2-2.9 g/cm3
Thermal Properties
Specific Heat Capacity
Not Available
0.92 kJ/Kg K
10
Resistance
Heat Resistant, Impact Resistant, Pressure Resistant, Water Resistant
Heat Resistant, Impact Resistant
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