Properties of Coal and Slate

Coal

Slate

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

1-1.53-4

1 7

1.1.2 Grain Size

Medium to Fine Coarse Grained

Very fine-grained

1.1.3 Fracture

Conchoidal

Splintery

1.1.4 Streak

Black

Light to dark brown

1.1.5 Porosity

Less Porous

1.1.6 Luster

Dull to Vitreous to Submetallic

Dull

1.1.7 Compressive Strength

NA30.00 N/mm²

0.15 450

1.1.8 Cleavage

Non-Existent

Slaty

1.1.9 Toughness

Not Available

1.2

1.1.10 Specific Gravity

1.1-1.42.65-2.8

0 8.4

1.1.11 Transparency

Opaque

1.1.12 Density

1100-1400 g/cm³2.6-2.8 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

1.32 kJ/Kg K0.76 kJ/Kg K

0.14 3.2

1.2.2 Resistance

Heat Resistant

Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant

Coal vs Slate Properties

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