Properties of Obsidian and Rhyolite

Obsidian

Rhyolite

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

5-5.56-7

1 7

1.1.2 Grain Size

Not Applicable

Large and Coarse Grained

1.1.3 Fracture

Conchoidal

Sub-conchoidal

1.1.4 Streak

White

Colorless

1.1.5 Porosity

Very Less Porous

Highly Porous

1.1.6 Luster

Vitreous

Earthy

1.1.7 Compressive Strength

0.15 N/mm²140.00 N/mm²

0.15 450

1.1.8 Cleavage

Non-Existent

Not Available

1.1.9 Toughness

Not Available

1.1.10 Specific Gravity

2.6-2.72.65-2.67

0 8.4

1.1.11 Transparency

Translucent

Opaque

1.1.12 Density

2.6 g/cm³2.4-2.6 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

0.92 kJ/Kg KNA

0.14 3.2

1.2.2 Resistance

Heat Resistant, Impact Resistant

Heat Resistant, Wear Resistant

Obsidian vs Rhyolite Properties

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