  Fake peridot.
Peridot is a valuable type of gemstone. This is cheap cubic zirconia colored to look like peridot, in much the same way that uncolored cubic zirconia simulates diamond. What makes it interesting to me is that praseodymium is used to impart just the right fake shade of yellow to cubic zirconia to make it look like peridot. There are not a whole lot of other things you can do with praseodymium, so I'll take it!
Source: Pehnec Gems
Contributor: Theodore Gray
Acquired: 24 March, 2009
Text Updated: 24 March, 2009
Price: $1
Size: 0.3"
Purity: 1%
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