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Fluorescent/Phosphorescent Calcite from a Little Known Midwestern Location- Bedford, Indiana

25.10.2016

This milky white calcite cleavage fragment was collected in 2016 from a roadcut along Indiana State Route 37 in Bedford, Indiana, very near to the location of the specimens described in my two previous posts regarding blue and green phosphorescent fluorite from the same area.  This calcite shows a nearly Terlingua-type fluorescent response, with blue/pink triangular zones of fluorescence seen under short wave UV with lasting blue/white phosphorescence.  A dim pink response is seen under long wave UV (not shown).  The size of this specimen is 37 x 33 x 26 mm, and it weighs 28 grams.

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