Properties of Lignite and Hornfels

Lignite

Hornfels

Properties of Hornfels and Lignite

Properties

Physical Properties

Hardness

2-3

Grain Size

Medium to Fine Coarse Grained

Fine Grained

Fracture

Conchoidal

Streak

Black

Unknown

Porosity

Highly Porous

Luster

Dull to Vitreous to Submetallic

Shiny

Compressive Strength

Not Available

5.80 N/mm²

Cleavage

Non-Existent

Perfect

Toughness

Not Available

Not Yet Found

Specific Gravity

1.1-1.4

3.4-3.9

Transparency

Opaque

Density

800-801 g/cm³

0.25-0.30 g/cm³

Thermal Properties

Specific Heat Capacity

1.26 kJ/Kg K

0.84 kJ/Kg K

Resistance

Heat Resistant

Heat Resistant, Impact Resistant, Pressure Resistant

Reserves >>

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Lignite vs Hornfels Properties

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