Properties of Argillite and Coal

Argillite

Coal

Properties of Coal and Argillite

Properties

Physical Properties

Hardness

2-3

1-1.5

Grain Size

Fine Grained

Medium to Fine Coarse Grained

Fracture

Conchoidal to Uneven

Conchoidal

Streak

White to Grey

Black

Porosity

Highly Porous

Less Porous

Luster

Waxy and Dull

Dull to Vitreous to Submetallic

Cleavage

Slaty

Non-Existent

Toughness

2.6

Not Available

Specific Gravity

2.56-2.68

1.1-1.4

Transparency

Opaque

Density

2.54-2.66 g/cm³

1100-1400 g/cm³

Thermal Properties

Specific Heat Capacity

0.87 kJ/Kg K

1.32 kJ/Kg K

Resistance

Heat Resistant, Impact Resistant

Heat Resistant

Reserves >>

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Argillite vs Coal Properties

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