Properties of Lignite and Picrite

Lignite

Picrite

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

16.8

1 7

1.1.2 Grain Size

Medium to Fine Coarse Grained

Fine Grained

1.1.3 Fracture

Conchoidal

Uneven

1.1.4 Streak

Black

White, Greenish White or Grey

1.1.5 Porosity

Highly Porous

Less Porous

1.1.6 Luster

Dull to Vitreous to Submetallic

Subvitreous to Dull

1.1.7 Compressive Strength

NA189.00 N/mm²

0.15 450

1.1.8 Cleavage

Non-Existent

Imperfect

1.1.9 Toughness

Not Available

2.1

1.1.10 Specific Gravity

1.1-1.42.75-2.92

0 8.4

1.1.11 Transparency

Opaque

1.1.12 Density

800-801 g/cm³1.5-2.5 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

1.26 kJ/Kg K0.88 kJ/Kg K

0.14 3.2

1.2.2 Resistance

Heat Resistant

Lignite vs Picrite Properties

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