  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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