Properties of Lignite and Chalk

Lignite

Chalk

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

1 7

1.1.2 Grain Size

Medium to Fine Coarse Grained

Very fine-grained

1.1.3 Fracture

Conchoidal

Not Available

1.1.4 Streak

Black

White

1.1.5 Porosity

Highly Porous

1.1.6 Luster

Dull to Vitreous to Submetallic

Dull

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

1.1-1.42.3-2.4

0 8.4

1.1.11 Transparency

Opaque

1.1.12 Density

800-801 g/cm³2.49-2.50 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

1.26 kJ/Kg K0.90 kJ/Kg K

0.14 3.2

1.2.2 Resistance

Heat Resistant

Lignite vs Chalk Properties

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