Walking on crystals: what sand is made of.

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If we weren’t already obsessed with the beach, Dr Gary Greenberg from Minnesota has given us another trillion reasons to love it even more.

Magnifying sand 250 times through a specialised microscope, we can see its true beauty. Grains are made up of crystals, shell fragments and volcanic rock – many of them in vivid colours and intricate, fantastic shapes.

I don’t think I’ll ever walk the beach the same way again.

Lots more at sandgrains.com
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