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3D3DIndium rod.
This is very, very high purity indium, and the surface texture comes not from bending (as one might do to hear the crackling sound it makes) but rather from etching to show the crystal structure.
Source: Juan Jimenez
Contributor: Juan Jimenez
Acquired: 2 December, 2007
Text Updated: 7 December, 2007
Price: Donated
Size: 2.5"
Purity: 99.99999%