Properties of Pseudotachylite and Obsidian

Pseudotachylite

Obsidian

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

75-5.5

1 7

1.1.2 Grain Size

Very fine-grained

Not Applicable

1.1.3 Fracture

Uneven

Conchoidal

1.1.4 Streak

Light to dark brown

White

1.1.5 Porosity

Less Porous

Very Less Porous

1.1.6 Luster

Vitreous

1.1.7 Compressive Strength

60.00 N/mm²0.15 N/mm²

0.15 450

1.1.8 Cleavage

Irregular

Non-Existent

1.1.9 Toughness

Not Available

1.1.10 Specific Gravity

2.46-2.862.6-2.7

0 8.4

1.1.11 Transparency

Transparent to Translucent

Translucent

1.1.12 Density

2.7-2.9 g/cm³2.6 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

0.92 kJ/Kg K0.92 kJ/Kg K

0.14 3.2

1.2.2 Resistance

Heat Resistant

Heat Resistant, Impact Resistant

Pseudotachylite vs Obsidian Properties

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