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.


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