Properties
Physical Properties
Hardness
7
7
Grain Size
Fine Grained
Coarse Grained
Fracture
Uneven, Splintery or Conchoidal
Uneven
Streak
White
White, Greenish White or Grey
Porosity
Highly Porous
Less Porous
Luster
Waxy and Dull
Dull to Vitreous to Submetallic
Cleavage
Non-Existent
Irregular
Toughness
1.5
Not Available
Specific Gravity
2.5-2.8
3.2-3.5
Transparency
Translucent to Opaque
Opaque
Density
2.7 g/cm3
3.1-3.6 g/cm3
Thermal Properties
Specific Heat Capacity
0.74 kJ/Kg K
19
Not Available
Resistance
Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant
Impact Resistant, Pressure Resistant, Wear Resistant
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