Sphalerite under shortwave UV Light



Sphalerite variety cleiophane, willemite, calcite, franklinite, and minor zincite from Franklin, NJ under shortwave UV light. The sphalerite fluoresces blue, willemite green, the calcite, zincite and franklinite are non-fluorescent. 3 1/4" x 2 1/2". Photo by WP.


Sphalerite variety cleiophane, willemite, calcite, franklinite, and minor zincite from Franklin, NJ under shortwave UV Light