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I was recently on vacation in Hawaii and while there, entered a rock and mineral type store where I saw the rock below. I forgot to ask what it was while I was there and I am unable to go back and do so but I fortunately grabbed a picture of the rock in question.

rock

What is this soul gem of a rock?

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  • $\begingroup$ Were these the real colors or do we see artifacts from your strobe light or lights close to that counter? $\endgroup$ – Jan Doggen Nov 7 '17 at 14:20
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It is a quartz crystal artificially coated in thin layer of metal called aura quartz or rainbow quartz. They come in various colours and often can be found in new age shops.

More information on the topic can be found on wiki: https://en.wikipedia.org/wiki/Metal-coated_crystal

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    $\begingroup$ Yes, I've been surprised by the number of made-up rocks like this at gem and mineral shows lately. There was one enterprising young man selling hazy/translucent pyramids made of epoxy filled with floor-sweepings, metal shavings, random trash, etc. Claimed mystic powers of course...Caveat emptor! $\endgroup$ – Tim Nevins Nov 7 '17 at 16:30

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