Basalt

Obsidian

Properties of Basalt and Obsidian

Basalt

Obsidian

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

5-5.5

1.1.2 Grain Size

Fine Grained

Not Applicable

1.1.3 Fracture

Conchoidal

1.1.4 Streak

White to Grey

White

1.1.5 Porosity

Less Porous

Very Less Porous

1.1.6 Luster

Not Available

Vitreous

1.1.7 Compressive Strength

Properties of F..

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37.40 N/mm²

Rank: 28 (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

Not Available

Non-Existent

1.1.9 Toughness

2.3

Not Available

1.1.10 Specific Gravity

2.8-3

2.6-2.7

1.1.11 Transparency

Opaque

Translucent

1.1.12 Density

2.9-3.1 g/cm³

2.6 g/cm³

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

Properties of B..

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0.84 kJ/Kg K

Rank: 15 (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, Pressure Resistant, Wear Resistant

Heat Resistant, Impact Resistant

Basalt vs Obsidian Properties

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