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Claystone
Claystone
☒

Coal
Coal
☒



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Claystone
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Coal
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Properties

Hardness

Grain Size

Fracture

Streak

Porosity

Luster

Compressive Strength

Cleavage

Toughness

Specific Gravity

Transparency

Density

Specific Heat Capacity

Resistance

 
3.5-4
Fine Grained
-
White
Very Less Porous
Dull
40.00 N/mm2
Perfect
2.6
0
Opaque
2-2.9 g/cm3
0.92 kJ/Kg K
Heat Resistant, Impact Resistant
 
1-1.5
Medium to Fine Coarse Grained
Conchoidal
Black
Less Porous
Dull to Vitreous to Submetallic
-
-
-
1.1-1.4
Opaque
1100-1400 g/cm3
1.32 kJ/Kg K
Heat Resistant