Properties of Obsidian and Pseudotachylite

Obsidian

Pseudotachylite

Add ⊕

1 Properties

1.1 Physical Properties

1.1.1 Hardness

5-5.57

1 7

1.1.2 Grain Size

Not Applicable

Very fine-grained

1.1.3 Fracture

Conchoidal

Uneven

1.1.4 Streak

White

Light to dark brown

1.1.5 Porosity

Very Less Porous

Less Porous

1.1.6 Luster

Vitreous

1.1.7 Compressive Strength

0.15 N/mm²60.00 N/mm²

0.15 450

1.1.8 Cleavage

Non-Existent

Irregular

1.1.9 Toughness

Not Available

1.1.10 Specific Gravity

2.6-2.72.46-2.86

0 8.4

1.1.11 Transparency

Translucent

Transparent to Translucent

1.1.12 Density

2.6 g/cm³2.7-2.9 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, Impact Resistant

Heat Resistant

Obsidian vs Pseudotachylite Properties

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