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Anne Marie Helmenstine, Ph.D.

Black Crystal Recipe

By February 9, 2014

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Black Borax Crystals (Anne Helmenstine)You can grow crystals in any color, including black. Black crystals look sort of like black diamonds or smoky quartz. You can control whether your black crystals will be translucent or nearly opaque. The crystals grow within a few hours or overnight, so this is a quick and easy crystal growing project. Make black crystals...

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