Lignite

Obsidian

Properties of Lignite and Obsidian

Lignite

Obsidian

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

5-5.5

1.1.2 Grain Size

Medium to Fine Coarse Grained

Not Applicable

1.1.3 Fracture

Conchoidal

1.1.4 Streak

Black

White

1.1.5 Porosity

Highly Porous

Very Less Porous

1.1.6 Luster

Dull to Vitreous to Submetallic

Vitreous

1.1.7 Compressive Strength

Properties of F..

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Not Available

Rank: N/A (Overall)▶

0.15 N/mm²

Rank: 33 (Overall)▶

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Properties of Obsidian

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175 (Properties of..)

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1.1.8 Cleavage

Non-Existent

1.1.9 Toughness

Not Available

1.1.10 Specific Gravity

1.1-1.4

2.6-2.7

1.1.11 Transparency

Opaque

Translucent

1.1.12 Density

800-801 g/cm³

2.6 g/cm³

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

Properties of B..

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1.26 kJ/Kg K

Rank: 5 (Overall)▶

0.92 kJ/Kg K

Rank: 10 (Overall)▶

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Properties of Granulite

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1.09 (Properties of..)

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1.2.2 Resistance

Heat Resistant

Heat Resistant, Impact Resistant

Lignite vs Obsidian Properties

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