Properties of Coal and Phonolite

Coal

Phonolite

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

1-1.55.5-6

1 7

1.1.2 Grain Size

Medium to Fine Coarse Grained

Fine Grained

1.1.3 Fracture

Conchoidal

Conchoidal to Uneven

1.1.4 Streak

Black

White

1.1.5 Porosity

Less Porous

1.1.6 Luster

Dull to Vitreous to Submetallic

Greasy to Dull

1.1.7 Compressive Strength

NA150.00 N/mm²

0.15 450

1.1.8 Cleavage

Non-Existent

Poor

1.1.9 Toughness

Not Available

1.1.10 Specific Gravity

1.1-1.42.6

0 8.4

1.1.11 Transparency

Opaque

Translucent to Opaque

1.1.12 Density

1100-1400 g/cm³2.6 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, Wear Resistant

Coal vs Phonolite Properties

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