Properties of Tuff and Obsidian

Tuff

Obsidian

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

4-65-5.5

1 7

1.1.2 Grain Size

Fine Grained

Not Applicable

1.1.3 Fracture

Uneven

Conchoidal

1.1.4 Streak

White

1.1.5 Porosity

Highly Porous

Very Less Porous

1.1.6 Luster

Vitreous to Dull

Vitreous

1.1.7 Compressive Strength

243.80 N/mm²0.15 N/mm²

0.15 450

1.1.8 Cleavage

Not Available

Non-Existent

1.1.9 Toughness

Not Available

1.1.10 Specific Gravity

2.732.6-2.7

0 8.4

1.1.11 Transparency

Opaque

Translucent

1.1.12 Density

1-1.8 g/cm³2.6 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

0.20 kJ/Kg K0.92 kJ/Kg K

0.14 3.2

1.2.2 Resistance

Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant

Heat Resistant, Impact Resistant

Tuff vs Obsidian Properties

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