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Home Other GeoPicture

GeoPicture of the week: Amazing opal

Mihai Andrei by Mihai Andrei
June 6, 2011
in GeoPicture
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Contrary to popular belief, opal is not a type of quartz, but it is a type of silica related to quartz. It is common for different types of opal to have different colours, but to this is indeed a dazzling display.

Mihai Andrei

Mihai Andrei

Andrei's background is in geophysics, and he's been fascinated by it ever since he was a child. Feeling that there is a gap between scientists and the general audience, he started ZME Science -- and the results are what you see today.

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