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Anthracite
Anthracite

Limestone
Limestone



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Anthracite
X
Limestone
Properties

Hardness

Grain Size

Fracture

Streak

Porosity

Luster

Compressive Strength

Cleavage

Toughness

Specific Gravity

Transparency

Density

Specific Heat Capacity

Resistance

 
1-1.5
Medium to Fine Coarse Grained
Conchoidal
Black
Less Porous
Shiny
-
-
-
1.1-1.4
Opaque
1.25-2.5 g/cm3
1.32 kJ/Kg K
Heat Resistant, Water Resistant
 
3-4
Fine Grained
Splintery
White
Less Porous
Dull to Pearly
115.00 N/mm2
-
1
2.3-2.7
Opaque
2.3-2.7 g/cm3
0.91 kJ/Kg K
Pressure Resistant