 Barbell (Enslaved).
Niobium is used for jewelry because it's non-reactive and can be colored by oxidation (the color depending on how long you heat it for). This one is meant to be stuck in some part of your body, I'm not sure which. It came with a gold-colored coating, which I removed using a rotating brass wire brush. I was afraid that might have been all the niobium and that the core was some other metal, but analysis by x-ray fluorescence spectroscopy at the Center for Microanalysis of Materials, University of Illinois (partially supported by the U.S. Department of Energy under grant DEFG02-91-ER45439) indicates that the barbell is virtually pure niobium, within the detection limits of the machine. Score one for the accuracy of descriptions on eBay.
Source: eBay seller pinta-beads
Contributor: Theodore Gray
Acquired: 10 July, 2002
Text Updated: 11 March, 2007
Price: $10
Size: 1"
Purity: >80%
Sample Group: Medical
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