Properties of Comendite and Coal

Comendite

Coal

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

6-71-1.5

1 7

1.1.2 Grain Size

Medium Grained

Medium to Fine Coarse Grained

1.1.3 Fracture

Pervasive

Conchoidal

1.1.4 Streak

Bluish Black

Black

1.1.5 Porosity

Highly Porous

Less Porous

1.1.6 Luster

Dull

Dull to Vitreous to Submetallic

1.1.7 Compressive Strength

92.40 N/mm²NA

0.15 450

1.1.8 Cleavage

Not Available

Non-Existent

1.1.9 Toughness

Not Available

1.1.10 Specific Gravity

2.381.1-1.4

0 8.4

1.1.11 Transparency

Opaque

1.1.12 Density

Not Available1100-1400 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

NA1.32 kJ/Kg K

0.14 3.2

1.2.2 Resistance

Heat Resistant, Impact Resistant

Heat Resistant

Comendite vs Coal Properties

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