Fluorapatite under shortwave UV Light



Fluorapatite crystal on calcite from the Sterling Hill Mine, Ogdensburg, NJ under shortwave UV light. The fluorapatite fluoresces weak dark orange and calcite orange-red. Field of view 2 3/4" x 1 1/4". From the collection of, and photo by WP.


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Fluorapatite crystal on calcite from the Sterling Hill Mine, NJ under shortwave UV Light