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...

Phlogopite, Marialite (Scapolite) - Longwave

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