LW Sphalerite - Yellow & Blue - Franklin, NJ

Description

LW Sphalerite
in
SW NJ Classic Willemite(green), Calcite(dull red) and Franklinite(NF)
Note - Most of the yellow is deep in the calcite which gives it a ghost like appearance.
The camera seems to enhance this a bit.
Franklin, NJ
Abbreviations: SW: shortwave, LW: longwave, NF: Non Fluorescent.
dimensions: 4.5 - 3 - 1"
weight 14 oz.
As is the case with all fluorescent mineral specimens, a good quality UV lamp of adequate output and appropriate wavelength (short wave vs. long wave) is required to see the fluorescent response depicted in the photographs.  An ordinary "black light"
will
not
work for these minerals.
Pictures taken with a Canon t3i and SuperBright 3 short wave UV lamp SW. LW is the
Convoy 2.
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