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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