Technical grade beauty. | |||
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Technical grade beauty. I've never seen selenium this pretty, I had to double check that it wasn't actually germanium or silicon, which it strongly resembles. But no, it's actually technical grade (meaning not overly pure) selenium crystal. Source: Ivan Timokhin Contributor: Ivan Timokhin Acquired: 4 September, 2007 Text Updated: 11 November, 2009 Price: Donated Size: 1.25" Purity: 99% | |||
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