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Monday, February 3, 2014
Blue lava from this volcano
Photo Olivier Grunewald National Geographic
When the Kawah Ijen volcano in Indonesia erupted recently it sent out the blue lave and blue fire. It was caused by a heavy concentration of sulfuric acid contained in the lava.
A similar sight was seen in Ethiopia when the Dallol volcano erupted. I'm pretty sure you can click and enlarge the photos.