Properties of Obsidian and Peridotite

Obsidian

Peridotite

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

5-5.55.5-6

1 7

1.1.2 Grain Size

Not Applicable

Coarse Grained

1.1.3 Fracture

Conchoidal

Irregular

1.1.4 Streak

White

1.1.5 Porosity

Very Less Porous

Less Porous

1.1.6 Luster

Vitreous

Shiny

1.1.7 Compressive Strength

0.15 N/mm²107.55 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

2.6-2.73-3.01

0 8.4

1.1.11 Transparency

Translucent

Translucent to Opaque

1.1.12 Density

2.6 g/cm³3.1-3.4 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

0.92 kJ/Kg K1.26 kJ/Kg K

0.14 3.2

1.2.2 Resistance

Heat Resistant, Impact Resistant

Heat Resistant, Pressure Resistant, Wear Resistant

Obsidian vs Peridotite Properties

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