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3D3DImproved poster sample.
This is a cleaner piece of manganese broken plate, photographed to replace the rather dirty one that's been on my poster for years.
Source: Theodore Gray
Contributor: Theodore Gray
Acquired: 15 April, 2009
Text Updated: 15 April, 2009
Price: Donated
Size: 0.5"
Purity: >99%
Sample Group: RGB Samples
Manganese