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Get ready to see colors that will blow your mind—and they appear organically in nature! From corundum to alexandrite, these rare minerals have multi-colors caused by how they form their structure! Learn all about them with Hank Green in this colorful new episode of SciShow!

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Image Sources:
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https://commons.wikimedia.org/wiki/Fi...
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https://commons.wikimedia.org/wiki/Fi...
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