Powellite under midwave UV Light



Powellite, calcite, franklinite and minor quartz from the Sterling Hill Mine, NJ under mid-wave UV light. The powellite fluoresces yellow and calcite red, the franklinite and quartz are non-fluorescent. Photo by WP.


Powellite, calcite, franklinite and minor quartz from the Sterling Hill Mine, NJ. under midwave UV Light