1 Properties
1.1 Physical Properties
1.1.1 Hardness
1.1.2 Grain Size
Coarse Grained
Medium to Fine Coarse Grained
1.1.3 Fracture
Conchoidal to Uneven
Uneven
1.1.4 Streak
Light to dark brown
White to Grey
1.1.5 Porosity
Highly Porous
Less Porous
1.1.6 Luster
Grainy, Pearly and Vitreous
Dull
1.1.7 Compressive Strength
2.3.2 Cleavage
2.3.3 Toughness
2.3.4 Specific Gravity
2.3.5 Transparency
2.3.6 Density
2.2-2.35 g/cm32.9-3 g/cm3
0
1400
2.4 Thermal Properties
2.4.1 Specific Heat Capacity
2.4.2 Resistance
Heat Resistant, Impact Resistant
Heat Resistant, Pressure Resistant