Copper under shortwave UV Light



Copper, willemite, franklinite and gemmy hodgkinsonite from Franklin, NJ under shortwave UV light. The willemite fluoresces green, the copper, franklinite and hodgkinsonite are non-fluorescent. 2" x 1 1/2". From the collection of, and photo by WP.


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Copper, willemite, franklinite and gemmy hodgkinsonite from Franklin, NJ under shortwave UV Light