  Stainless steel Czochralski-grown monocrystal. 
An example of the fact that you can grow single crystals of alloys as well as pure elements.  This is a single crystal of stainless steel (iron-chrome alloy) grown by the Czochralski process.  The rod suspending it as well as the seed crystal are visible on the bottom. 
Source: Ethan Currens 
Contributor: Ethan Currens 
Acquired: 29 October, 2009 
Text Updated: 29 October, 2009 
Price: Donated 
Size: 1" 
Purity: >60%
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