A rock so fantastically beautiful that it's hard to believe is real

Source: http://sploid.gizmodo.com/a-rock-so-fantastically-beautiful-that-its-hard-to-beli-1628537184/+caseychan

This looks like some 3D rendering of a fantastic alien matter that can't possibly exist on Earth. But, being the amazing planet we live in, it is actually a real thing: "A bismuth crystal illustrating the many iridescent refraction hues of its oxide surface." We live in a wonderful world, people.

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