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Zoned Mineral Analysis

Yttrium elemental distribution of a garnet specimen

A large x-ray map of a garnet specimen was acquired on Yttrium. This x-ray image illustrates the benefits of combining high sensitivity crystals with a high stability electron source.
The zoned analysis reveals that the garnet sample contains Yttrium at trace level.  In the region showing the highest concentration, Yttrium has been measured at 800ppm (Y2O3), as shown on the quantitative line scan.


Yttrium in zoned garnet  

Experimental conditions: 20keV, 200nA
By courtesy of Norman Pearson. McQuarie University, Australia.


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