Properties of Lignite and Hornfels

Lignite

Hornfels

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

12-3

1 7

1.1.2 Grain Size

Medium to Fine Coarse Grained

Fine Grained

1.1.3 Fracture

Conchoidal

1.1.4 Streak

Black

Unknown

1.1.5 Porosity

Highly Porous

1.1.6 Luster

Dull to Vitreous to Submetallic

Shiny

1.1.7 Compressive Strength

NA5.80 N/mm²

0.15 450

1.1.8 Cleavage

Non-Existent

Perfect

1.1.9 Toughness

Not Available

Not Yet Found

1.1.10 Specific Gravity

1.1-1.43.4-3.9

0 8.4

1.1.11 Transparency

Opaque

1.1.12 Density

800-801 g/cm³0.25-0.30 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

1.26 kJ/Kg K0.84 kJ/Kg K

0.14 3.2

1.2.2 Resistance

Heat Resistant

Heat Resistant, Impact Resistant, Pressure Resistant

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.