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A Different Sterling Hill Mine Calcite & Willemite Amalgamation

Sterling Hill calcite and willemite is known for its very bright fluorescence. This piece doesn't disappoint as the core displays brightly fluorescing [under shortwave ultraviolet exposure] calcite [orange] with non-fluorescing crystals of franklinite. So far, no different than other ore from this location. This piece differs in that three surfaces have a thin coating of mud colored willemite which fluoresces a more civilized [than usual], almost pastel like green. I tried scrubbing the coating with soap and water and none of the coating was removed. I suppose that a wire brush would scrape some off but it would also scrape off skin if used on your arm. And you wouldn't do that.

It weighs 1 pound 12 ounces, measures approximately 5 x 4 x 3 inches and was self collected in the Passaic Pit. Shortwave pictures were taken at ISO_100, f/11 for 2 seconds.

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