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Granite
Granite

Coal
Coal



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Granite
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Coal

Properties of Granite and Coal

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Properties

Physical Properties

Hardness

6-71-1.5
1 7
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Grain Size

Large and Coarse Grained
Medium to Fine Coarse Grained

Fracture

-
Conchoidal

Streak

White
Black

Porosity

Less Porous
Less Porous

Luster

Dull to Grainy with Sporadic parts Pearly and Vitreous
Dull to Vitreous to Submetallic

Compressive Strength

175.00 N/mm2-
0.15 450
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Cleavage

-
-

Toughness

-
-

Specific Gravity

2.6-2.71.1-1.4
0 8.4
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Transparency

Opaque
Opaque

Density

2.65-2.75 g/cm31100-1400 g/cm3
0 1400
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Thermal Properties

Specific Heat Capacity

0.79 kJ/Kg K1.32 kJ/Kg K
0.14 3.2
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Resistance

Heat Resistant, Wear Resistant
Heat Resistant

Granite vs Coal Properties

Properties of Granite and Coal play an important role in determining the type of rock. Along with Granite vs Coal properties, get to know more about Granite Definition and Coal 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 Granite and Coal.