Properties of Amphibolite and Obsidian

Amphibolite

Obsidian

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

6-75-5.5

1 7

1.1.2 Grain Size

Medium to Coarse Grained

Not Applicable

1.1.3 Fracture

Irregular to Conchoidal

Conchoidal

1.1.4 Streak

White to Grey

White

1.1.5 Porosity

Less Porous

Very Less Porous

1.1.6 Luster

Vitreous to Dull

Vitreous

1.1.7 Compressive Strength

NA0.15 N/mm²

0.15 450

1.1.8 Cleavage

Irregular

Non-Existent

1.1.9 Toughness

2.3

Not Available

1.1.10 Specific Gravity

2.52.6-2.7

0 8.4

1.1.11 Transparency

Opaque

Translucent

1.1.12 Density

2.85-3.07 g/cm³2.6 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

NA0.92 kJ/Kg K

0.14 3.2

1.2.2 Resistance

Heat Resistant, Pressure Resistant, Wear Resistant

Heat Resistant, Impact Resistant

Amphibolite vs Obsidian Properties

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