Quartz, rhodonite, calcite, willemite and minor franklinite from Franklin, NJ under shortwave UV light. The calcite fluoresces orange to orange-red and willemite green, the quartz, rhodonite and franklinite are non-fluorescent. From the collection of, and photo by Robert A. Boymistruk.
Franklin-Ogdensburg Mineralogical Society Inc - FOMS, Franklin, NJ |
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