Eight cut zircons
Note the splitting of the back facets - especially in the blue stone at the bottom left.
The red stone (middle back) shows strong yellow fluorescence under UVc from radiation-induced colour centres.
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Uploaded on February 28, 2015
Taken on February 28, 2015
Eight cut zircons
Note the splitting of the back facets - especially in the blue stone at the bottom left.
The red stone (middle back) shows strong yellow fluorescence under UVc from radiation-induced colour centres.
845
views
2
faves
0
comments
Uploaded on February 28, 2015
Taken on February 28, 2015