Etched block. | |||
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Etched block. This is an interestingly etched block of high-purity aluminum, showing the crystal zones. It is a full bar of the material featured a few samples back in the form of a short slice. Source: Ethan Currens Contributor: Ethan Currens Acquired: 8 February, 2009 Text Updated: 8 February, 2009 Price: Trade Size: 8" Purity: 99.99% | |||
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