  Zone-refined single crystal.
This is the rest of the bar from which the sample three above was cut. It has a combination of the natural molten surface and a more regular surface where it was partially turned on a lathe.
Source: Ivan Timokhin
Contributor: Theodore Gray
Acquired: 10 May, 2006
Text Updated: 14 February, 2007
Price: $100
Size: 5"
Purity: >99.99%
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