Properties of Coal and Pegmatite

Coal

Pegmatite

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

1-1.57

1 7

1.1.2 Grain Size

Medium to Fine Coarse Grained

Medium to Coarse Grained

1.1.3 Fracture

Conchoidal

1.1.4 Streak

Black

White

1.1.5 Porosity

Less Porous

1.1.6 Luster

Dull to Vitreous to Submetallic

Grainy, Pearly and Vitreous

1.1.7 Compressive Strength

NA178.54 N/mm²

0.15 450

1.1.8 Cleavage

Non-Existent

Perfect

1.1.9 Toughness

Not Available

2.1

1.1.10 Specific Gravity

1.1-1.42.6-2.63

0 8.4

1.1.11 Transparency

Opaque

Translucent to Opaque

1.1.12 Density

1100-1400 g/cm³2.6-2.65 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, Impact Resistant, Pressure Resistant

Coal vs Pegmatite Properties

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