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What is the obsidian rock type?

Updated: 8/17/2019
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Wiki User

15y ago

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Obsidian is an extrusive felsic igneous rock.

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12y ago
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Anonymous

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3y ago
NIEN NIEN NIEN NIEN
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10y ago

Obsidian is a type of igneous rock that cools instantly after a volcano explosion. It is sometimes casually called volcanic glass.

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15y ago

Obsidian is classified as an an extrusive igneous rock; also as volcanic glass.

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11y ago

Obsidian is natural glass.

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Q: What is the obsidian rock type?
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