Calcite under longwave UV Light



Druzy calcite crystals on franklinite, calcite and willemite ore from Sterling Hill Mine, Ogdensburg, NJ under longwave UV light. The calcite fluoresces cream and blue, willemite is not fluorescing, and the franklinite is non-fluorescent. 2" x 1". From the collection of Zack and Ralph Bonard, photo by WP.


Druzy calcite crystals on franklinite, calcite and willemite ore from Sterling Hill Mine, Ogdensburg, NJ under longwave UV Light