Interesting Willemite Patterns with Calcite/Franklinite - Sterling, NJ

Description

Interesting Willemite(green) pattern - Calcite(red) / Franklinite(NF)
This is a slab, cut on both sides and polished
Sterling, NJ.
Dimensions: 3.5 x 2.5" x 1", weight  8 oz.
Abbreviations: SW: shortwave, LW: longwave, NF: Non Fluorescent.
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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