Phlogopite, Marialite (Scapolite) - Afghanistan


 An example of marialite (member of the scapolite series) alongside massive phlogopite.  The phlogopite on this piece fluoresces bright yellow under shortwave and shifts to a butterscotch color under MW and LW.  Sometimes folks get confused about the two colors.  (Often misidentifed as wernerite, an obsolete name).  Full set of pics in gallery below...




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