  Thick anodized plate.
This lovely thick plate of niobium was anodized using a battery charger by Juan and friends in their car shop. You can see many other examples of anodized niobium on my site, but this is by far the largest!
Source: Juan Jimenez
Contributor: Juan Jimenez
Acquired: 6 April, 2007
Text Updated: 6 April, 2007
Price: Donated
Size: 5"
Purity: 99.95%
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