Willemite under shortwave UV Light

Clear willemite crystal, willemite and friedelite crystals from the Sterling Hill Mine, Ogdensburg, NJ under shortwave UV light. The willemite fluoresces green. Field of view 9/16". From the collection of, and photo by Robert A. Boymistruk.

Clear willemite crystal, friedelite crystals, Sterling Hill Mine, Ogdensburg, NJ under shortwave UV Light

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