Properties
Physical Properties
Hardness
1-2
5.5-6
Grain Size
Medium to Fine Coarse Grained
Fine Grained
Fracture
Conchoidal
Conchoidal to Uneven
Streak
White
White
Porosity
Highly Porous
Less Porous
Luster
Phyllitic
Greasy to Dull
Compressive Strength
Not Available
150.00 N/mm2
14
Cleavage
Crenulation and Pervasive
Poor
Toughness
1.2
Not Available
Specific Gravity
2.72-2.73
2.6
Transparency
Opaque
Translucent to Opaque
Density
2.18-3.3 g/cm3
2.6 g/cm3
Thermal Properties
Resistance
Heat Resistant, Pressure Resistant, Water Resistant
Heat Resistant, Impact Resistant, Wear Resistant
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