Old copper powder.
This high-purity copper powder is at least 20 years old, or so says Ethan. The color is characteristic of copper minus its metallic sheen (due to the fineness of the powder, not oxidation).
Source: Ethan Currens
Contributor: Theodore Gray
Acquired: 9 February, 2009
Text Updated: 8 February, 2009
Price: Trade
Size: 1"
Purity: 99.999%
|
|
|
|