Properties of Coal and Amphibolite

Coal

Amphibolite

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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 to Coarse Grained

1.1.3 Fracture

Conchoidal

Irregular to Conchoidal

1.1.4 Streak

Black

White to Grey

1.1.5 Porosity

Less Porous

1.1.6 Luster

Dull to Vitreous to Submetallic

Vitreous to Dull

1.1.7 Compressive Strength

NANA

0.15 450

1.1.8 Cleavage

Non-Existent

Irregular

1.1.9 Toughness

Not Available

2.3

1.1.10 Specific Gravity

1.1-1.42.5

0 8.4

1.1.11 Transparency

Opaque

1.1.12 Density

1100-1400 g/cm³2.85-3.07 g/cm³

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, Pressure Resistant, Wear Resistant

Coal vs Amphibolite Properties

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