Properties
Physical Properties
Hardness
7
7
Grain Size
Coarse Grained
Fine to Medium Grained
Fracture
Uneven
Conchoidal
Streak
White, Greenish White or Grey
Black
Porosity
Less Porous
Highly Porous
Luster
Dull to Vitreous to Submetallic
Not Available
Compressive Strength
Not Available
225.00 N/mm2
7
Cleavage
Irregular
Not Available
Toughness
Not Available
1.6
Specific Gravity
3.2-3.5
2.86-2.87
Transparency
Opaque
Opaque
Density
3.1-3.6 g/cm3
2.7-3.3 g/cm3
Thermal Properties
Resistance
Impact Resistant, Pressure Resistant, Wear Resistant
Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant
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