Properties of Coal and Gritstone
Properties
Physical Properties
Hardness
1-1.5
6-7
Grain Size
Medium to Fine Coarse Grained
Coarse Grained
Fracture
Conchoidal
Conchoidal
Streak
Black
White
Porosity
Less Porous
Highly Porous
Luster
Dull to Vitreous to Submetallic
Dull
Compressive Strength
Not Available
70.00 N/mm2
24
Cleavage
Non-Existent
Perfect
Toughness
Not Available
Not Available
Specific Gravity
1.1-1.4
2.250
Transparency
Opaque
Opaque
Density
1100-1400 g/cm3
2.2 g/cm3
Thermal Properties
Specific Heat Capacity
1.32 kJ/Kg K
4
0.92 kJ/Kg K
10
Resistance
Heat Resistant
Heat Resistant, Impact Resistant, Pressure Resistant
Coal vs Gritstone Properties
Properties of Coal and Gritstone play an important role in determining the type of rock. Along with Coal vs Gritstone properties, get to know more about Coal Definition and Gritstone Definition. For the ease of understanding, the properties of rocks are divided into physical and thermal properties. Rocks have a variety of properties like hardness, color, specific gravity, fracture, cleavage, luster etc. Know all about physical and thermal properties of Coal and Gritstone.
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