Sphalerite under shortwave UV Light



Mahogany sphalerite with sphalerite vein, willemite, calcite, franklinite from Sterling Hill Mine, Ogdensburg, NJ under shortwave UV light. The mahogany sphalerite fluoresces weak red, willemite green, the sphalerite vein, franklinite and calcite are non-fluorescent. 4 1/4" x 2". Photo by WP.


Mahogany sphalerite with sphalerite vein, willemite, calcite, franklinite from Sterling Hill Mine, Ogdensburg, NJ under shortwave UV Light