Willemite under longwave UV Light

Willemite crystals on willemite / franklinite matrix from Franklin, NJ under longwave UV light. The willemite fluoresces green and the franklinite is non-fluorescent. 2 3/4" x 1 3/4". Photo by WP.

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Willemite crystals on willemite / franklinite matrix from Franklin, NJ. under longwave UV Light

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