Willemite & Calcite - Franklin, New Jersey
Normal light
Shortwave ultraviolet light
Green - Willemite, Red - Calcite
This is my favorite specimen and a good size one. The willemite has a strong, long lasting phosphorescence.
It glows for more than 30 minutes in total darkness.

The size of this specimen is 4" X 4" X 1 1/2"

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