Properties of Coal and Dunite

Coal

Dunite

Properties of Dunite and Coal

Properties

Physical Properties

Hardness

1-1.5

3.5-4

Grain Size

Medium to Fine Coarse Grained

Coarse Grained

Fracture

Conchoidal

Irregular

Streak

Black

White

Porosity

Less Porous

Luster

Dull to Vitreous to Submetallic

Shiny

Compressive Strength

Not Available

107.55 N/mm²

Cleavage

Non-Existent

Imperfect

Toughness

Not Available

2.1

Specific Gravity

1.1-1.4

3-3.01

Transparency

Opaque

Translucent to Opaque

Density

1100-1400 g/cm³

2.84-2.85 g/cm³

Thermal Properties

Specific Heat Capacity

1.32 kJ/Kg K

1.25 kJ/Kg K

Resistance

Heat Resistant

Heat Resistant, Pressure Resistant, Wear Resistant

Reserves >>

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Coal vs Dunite Properties

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