Large mirabilite crystals (IMAGE)

Geological Society of America

Large mirabilite crystals

Caption

Rare large mirabilite crystals (sodium sulfate) up to 50 cm long observed in the Nébélé Cave provide a fingerprint of the sulfur isotopes left behind by sulfuric acid weathering of the limestone that the caves formed within (credit: Dimitri Laurent). The length of the photo is 1 meter.

Credit

Dimitri Laurent

Usage Restrictions

Credit must be given to the creator. Only noncommercial uses of the work are permitted.

License

CC BY-NC

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