Properties
Physical Properties
Hardness
3-4
1
Grain Size
Fine Grained
Very fine-grained
Fracture
Splintery
Not Available
Streak
White
White
Porosity
Highly Porous
Highly Porous
Luster
Dull to Pearly
Dull
Compressive Strength
80.00 N/mm2
23
Not Available
Cleavage
Non-Existent
Non-Existent
Toughness
1
1
Specific Gravity
1.68
2.3-2.4
Transparency
Opaque
Opaque
Density
2.71 g/cm3
2.49-2.50 g/cm3
Thermal Properties
Specific Heat Capacity
1.09 kJ/Kg K
8
0.90 kJ/Kg K
12
Resistance
Impact Resistant, Pressure Resistant, Wear Resistant
Heat Resistant
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