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Slate
Slate
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Marl
Marl
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Slate
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Marl
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Properties

Hardness

Grain Size

Fracture

Streak

Porosity

Luster

Compressive Strength

Cleavage

Toughness

Specific Gravity

Transparency

Density

Specific Heat Capacity

Resistance

 
3-4
Very fine-grained
Splintery
Light to dark brown
Less Porous
Dull
30.00 N/mm2
Slaty
1.2
2.65-2.8
Opaque
2.6-2.8 g/cm3
0.76 kJ/Kg K
Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant
 
2-3
Very fine-grained
Conchoidal
White
Highly Porous
Dull
30.00 N/mm2
-
2.6
2.2-2.8
Opaque
2.4-2.8 g/cm3
0.80 kJ/Kg K
Heat Resistant, Impact Resistant