  Bridgeman-process Zinc Crystal. 
I'm not sure what the Bridgeman process is, but that is said to be how this bar of crystalline zinc was produced. 
Source: Anonymous 
Contributor: Theodore Gray 
Acquired: 8 March, 2008 
Text Updated: 8 March, 2008 
Price: Anonymous 
Size: 1.5" 
Purity: >99.9%
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