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Afghanite, Calcite, Phlogopite, w/ Unknowns Afghanistan - very bright and colorful

16.11.2016

This piece (as most from Afghanistan) is best under fullwave (all three wavelengths - SW+MW+LW - 1st pic).  Longwave brings out the beautiful orange color of the afghanite.  Midwave makes the calcite really pop, and shortwave brings out the yellow phlogopite and white albite/gypsum.
There is a very unusually bright yellow fluorescence that seems to be LW only - gotta wonder???


If I were to display it under only one light, I would probably pick MW, preferably with a LW “kicker”.

 

 

 

 

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