Properties of Coal and Tuff

Coal

Tuff

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

1-1.54-6

1 7

1.1.2 Grain Size

Medium to Fine Coarse Grained

Fine Grained

1.1.3 Fracture

Conchoidal

Uneven

1.1.4 Streak

Black

White

1.1.5 Porosity

Less Porous

Highly Porous

1.1.6 Luster

Dull to Vitreous to Submetallic

Vitreous to Dull

1.1.7 Compressive Strength

NA243.80 N/mm²

0.15 450

1.1.8 Cleavage

Non-Existent

Not Available

1.1.9 Toughness

Not Available

1.1.10 Specific Gravity

1.1-1.42.73

0 8.4

1.1.11 Transparency

Opaque

1.1.12 Density

1100-1400 g/cm³1-1.8 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

1.32 kJ/Kg K0.20 kJ/Kg K

0.14 3.2

1.2.2 Resistance

Heat Resistant

Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant

Coal vs Tuff Properties

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