  Beautiful crystals. 
These are probably electrodeposition crystals, though they may be vapor deposited.  Very shiny, my prettiest chromium sample for sure. 
Source: Juan Jimenez 
Contributor: Juan Jimenez 
Acquired: 12 May, 2007 
Text Updated: 12 May, 2007 
Price: Donated 
Size: 1" 
Purity: >99.9%
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