  Bismuth heart. 
Ethan Currens cast this bismuth heart in a mold he made in ceramics class at school.  Good for him.  It has a typical multi-colored bismuth oxide surface, but see below for a similar heart that has been etched to reveal the interior crystal structure. 
Source: Ethan Currens 
Contributor: Ethan Currens 
Acquired: 28 November, 2005 
Text Updated: 19 November, 2007 
Price: Donated 
Size: 2" 
Purity: 99.99%
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