Properties of Obsidian and Rhyolite

Obsidian

Rhyolite

Properties of Rhyolite and Obsidian

Properties

Physical Properties

Hardness

5-5.5

6-7

Grain Size

Not Applicable

Large and Coarse Grained

Fracture

Conchoidal

Sub-conchoidal

Streak

White

Colorless

Porosity

Very Less Porous

Highly Porous

Luster

Vitreous

Earthy

Compressive Strength

0.15 N/mm²

140.00 N/mm²

Cleavage

Non-Existent

Not Available

Toughness

Not Available

Specific Gravity

2.6-2.7

2.65-2.67

Transparency

Translucent

Opaque

Density

2.6 g/cm³

2.4-2.6 g/cm³

Thermal Properties

Specific Heat Capacity

0.92 kJ/Kg K

Not Available

Resistance

Heat Resistant, Impact Resistant

Heat Resistant, Wear Resistant

Reserves >>

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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.