Properties
Physical Properties
Hardness
1
7
Grain Size
Very fine-grained
Fine Grained
Fracture
Not Available
Conchoidal
Streak
White
Black
Porosity
Highly Porous
Highly Porous
Luster
Dull
Not Available
Cleavage
Non-Existent
Not Available
Toughness
1
1.6
Specific Gravity
2.3-2.4
Not Available
Transparency
Opaque
Opaque
Density
2.49-2.51 g/cm3
Not Available
Thermal Properties
Specific Heat Capacity
0.90 kJ/Kg K
12
Not Available
Resistance
Heat Resistant
Impact Resistant, Pressure Resistant, Wear Resistant
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