Calcite under midwave UV Light



Calcite druze on franklinite and willemite from the Sterling Hill Mine, Ogdensburg, NJ under midwave UV light. The calcite fluoresces dull yellow-orange to red, the franklinite and willemite are non-fluorescent. 5" x 1 3/4". From the collection of, and photo by WP.


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Calcite druze on franklinite and willemite from the Sterling Hill Mine, Ogdensburg, NJ under midwave UV Light