Obsidian Definition

Obsidian

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Definition

Obsidian is a naturally occurring volcanic glass formed as an extrusive igneous rock. It is produced when felsic lava extruded from a volcano cools rapidly with minimum crystal growth

History

Origin

Ethiopia

Discoverer

Obsius

Etymology

From Latin obsidianus, misprint of Obsianus (lapis) (stone) of Obsius

Class

Igneous Rocks

Sub-Class

Durable Rock, Medium Hardness Rock

Family

Group

Volcanic

Other Categories

Opaque Rock

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Define Obsidian

Obsidian is one of the important type of rocks. If we have to define Obsidian in general, . Obsidian comes under Igneous Rocks. All have similar properties and formation process. Along with Obsidian Definition, know more about the History of Obsidian, Etymology of Obsidian in next sections.

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