Brown tephroite with exsolution willemite lamellae, minor franklinite and calcite from Sterling Hill Mine, NJ under shortwave UV light. The willemite fluoresces green, calcite orange-red, the tephroite and franklinite are non-fluorescent. 4 1/4" x 3". Photo by WP.
Franklin-Ogdensburg Mineralogical Society Inc - FOMS, Franklin, NJ |
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