Properties of Chalk and Coal

Chalk

Coal

Properties of Coal and Chalk

Properties

Physical Properties

Hardness

1-1.5

Grain Size

Very fine-grained

Medium to Fine Coarse Grained

Fracture

Not Available

Conchoidal

Streak

White

Black

Porosity

Highly Porous

Less Porous

Luster

Dull

Dull to Vitreous to Submetallic

Cleavage

Non-Existent

Toughness

Not Available

Specific Gravity

2.3-2.4

1.1-1.4

Transparency

Opaque

Density

2.49-2.50 g/cm³

1100-1400 g/cm³

Thermal Properties

Specific Heat Capacity

0.90 kJ/Kg K

1.32 kJ/Kg K

Resistance

Heat Resistant

Reserves >>

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Chalk vs Coal Properties

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