Properties of Basalt and Obsidian

Basalt

Obsidian

Add ⊕

1 Properties

1.1 Physical Properties

1.1.1 Hardness

65-5.5

1 7

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

37.40 N/mm²0.15 N/mm²

0.15 450

1.1.8 Cleavage

Not Available

Non-Existent

1.1.9 Toughness

2.3

Not Available

1.1.10 Specific Gravity

2.8-32.6-2.7

0 8.4

1.1.11 Transparency

Opaque

Translucent

1.1.12 Density

2.9-3.1 g/cm³2.6 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

0.84 kJ/Kg K0.92 kJ/Kg K

0.14 3.2

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.