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Chalk
Chalk
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Sandstone
Sandstone
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Chalk
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Sandstone
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Properties

Hardness

Grain Size

Fracture

Streak

Porosity

Luster

Compressive Strength

Cleavage

Toughness

Specific Gravity

Transparency

Density

Specific Heat Capacity

Resistance

 
1
Very fine-grained
-
White
Highly Porous
Dull
5.00 N/mm2
-
1
2.3-2.4
Opaque
2.49-2.50 g/cm3
0.90 kJ/Kg K
Heat Resistant
 
6-7
Coarse or Fine
Conchoidal
White
Highly Porous
Dull
95.00 N/mm2
Perfect
2.6
2.2-2.8
Opaque
2.2-2.8 g/cm3
0.92 kJ/Kg K
Heat Resistant, Impact Resistant, Pressure Resistant