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3D3DEtched zinc ball.
I made this for a Popular Science column I wrote about etching metals to reveal their interior crystal structure. It didn't turn out very good.
Source: Theodore Gray
Contributor: Theodore Gray
Acquired: 26 October, 2008
Text Updated: 26 October, 2008
Price: $1
Size: 2"
Purity: 99.9%
Zinc