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Perfect salt cubes formed in the Dead Sea


Stashed in: Science!, Science Too

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Best Reddit comment: "For anyone wondering, this occurs because of the chemical bond geometry of the salt. Since the surface is exposed to the same concentration of salt the cube grows symmetrically."

More Reddit comments: http://reddit.com/r/videos/comments/...

Electron Microscope image of salt:

Electron microscope image of salt crystals

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