Image: Obsidian

Obsidian

Obsidian (14 cm x 12 cm), Bitokara Beach, West New Britain.

Photographer:
Stuart Humphreys
Rights:
© Australian Museum

Notes

Obsidian is a volcanic glass that is commonly dark in colour and glassy, with a water content less than 1%.

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Tags obsidian, igneous rocks, volcanic glass, volcanoes, geosciences, mineralogy,