| | |   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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