Obsidian look-alikes

Obsidian

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Several rocks and minerals can be confused with Obsidian. Below are documented look-alikes and the features that tell them apart. Never rely on a single feature. Always check multiple properties.

Similar rocks to compare

Basaltic Glass (Tachylite)

Tachylite

Also known as: Tachylite

Pitchstone

Also known as: Hydrated Volcanic Glass

Pumice

Also known as: Volcanic Foam

Explore Obsidian

Overview

Full guide to Obsidian

Identification

Localities & Collecting

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