Cuspidine under longwave UV Light



Cuspidine, calcite, willemite, and franklinite from Franklin, NJ under longwave UV light. The cuspidine fluoresces weak light orange, calcite very weak red-orange, willemite green and the franklinite is non-fluorescent. 2 1/4" x 1 1/2". From the collection of Alex & Gary Kerstanski, photo by Alex Kerstanski.


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Cuspidine, calcite, willemite, and franklinite from Franklin, NJ under longwave UV Light