Genthelvite under longwave UV Light



Genthelvite (green) and calcite from the Passaic Pit, Sterling Hill Mine, NJ under longwave UV light. The genthelvite fluoresces green and the calcite dull red. From the collection of, and photo by JVF.


Genthelvite and calcite from the Passaic Pit, Sterling Hill Mine, NJ. under longwave UV Light