Sphalerite under shortwave UV Light



Sphalerite, red willemite and franklinite from Sterling Hill Mine, Ogdensburg, NJ under shortwave UV light. The sphalerite fluoresces weak red-orange, willemite green and the franklinite is non-fluorescent. 2 1/4" x 1 1/4". Photo by WP.


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Sphalerite, red willemite and franklinite from Sterling Hill Mine, Ogdensburg, NJ under shortwave UV Light