Properties of Chalk and Anthracite

Chalk

Anthracite

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

11-1.5

1 7

1.1.2 Grain Size

Very fine-grained

Medium to Fine Coarse Grained

1.1.3 Fracture

Not Available

Conchoidal

1.1.4 Streak

White

Black

1.1.5 Porosity

Highly Porous

Less Porous

1.1.6 Luster

Dull

Shiny

1.1.7 Compressive Strength

NANA

0.15 450

1.1.8 Cleavage

Non-Existent

1.1.9 Toughness

Not Available

1.1.10 Specific Gravity

2.3-2.41.1-1.4

0 8.4

1.1.11 Transparency

Opaque

1.1.12 Density

2.49-2.50 g/cm³1.25-2.5 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

0.90 kJ/Kg K1.32 kJ/Kg K

0.14 3.2

1.2.2 Resistance

Heat Resistant

Heat Resistant, Water Resistant

Chalk vs Anthracite Properties

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