Know : What Colour is Lava? Blue!

Yes! This volcano in Kawah Ijen has some spectacular blue lava by night, but shows red during the day.

It is the sulfur inside the volcano that causes the change in color. What turns the waters of the largest acidic crater lake in the world, gives its beautiful turquoise color. The same acidic gases burns a bright blue color when ignited by miners while condensation turns it into liquid sulfur which mimics flowing blue lava. Condensation of molten sulfur also drives the business of a sulfur mining operation on Kawah Ijen.

Blue Lava- Indonesia (5)

Image Courtesy : Photographer: Olivier Grunewald (via Screen Captures from YouTube) and Google

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