Properties
Physical Properties
Hardness
6-71-2
1
7
👆🏻
Grain Size
Medium to Coarse Grained
Medium to Fine Coarse Grained
Fracture
Irregular to Conchoidal
Conchoidal
Streak
White to Grey
White
Porosity
Less Porous
Highly Porous
Luster
Vitreous to Dull
Phyllitic
Compressive Strength
NANA
0.15
450
👆🏻
Cleavage
Not Available
Crenulation and Pervasive
Toughness
2.3
1.2
Specific Gravity
2.52.72-2.73
0
8.4
👆🏻
Transparency
Opaque
Opaque
Density
2.85-3.07 g/cm32.18-3.3 g/cm3
0
1400
👆🏻
Thermal Properties
Specific Heat Capacity
NANA
0.14
3.2
👆🏻
Resistance
Heat Resistant, Pressure Resistant, Wear Resistant
Heat Resistant, Pressure Resistant, Water Resistant