Properties of Coal and Comendite

Coal

Comendite

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

1-1.56-7

1 7

1.1.2 Grain Size

Medium to Fine Coarse Grained

Medium Grained

1.1.3 Fracture

Conchoidal

Pervasive

1.1.4 Streak

Black

Bluish Black

1.1.5 Porosity

Less Porous

Highly Porous

1.1.6 Luster

Dull to Vitreous to Submetallic

Dull

1.1.7 Compressive Strength

NA92.40 N/mm²

0.15 450

1.1.8 Cleavage

Non-Existent

Not Available

1.1.9 Toughness

Not Available

1.1.10 Specific Gravity

1.1-1.42.38

0 8.4

1.1.11 Transparency

Opaque

1.1.12 Density

1100-1400 g/cm³Not Available

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

1.32 kJ/Kg KNA

0.14 3.2

1.2.2 Resistance

Heat Resistant

Heat Resistant, Impact Resistant

Coal vs Comendite Properties

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