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Fluorescent/Phosphorescent Celestine and Strontianite, Lime City, Ohio

Blocky, white, celestine crystals, partially altered to strontianite, sit on a light-colored limestone matrix, from the Stoneco Quarry, Lime City, Wood Co., Ohio. This specimen shows a similar blue/white fluorescent response under all UV wavelengths. It also phosphoresces blue/green following exposure to short and mid wave UV, and green following long wave. This piece measures 7.6 x 7.6 x 3.3 cm, and weighs 180 grams.

Short wave UV (254 nm)

Short wave phosphorescence

Mid wave UV (302 nm)

Mid wave phosphorescence

Long wave UV (365 nm)

Long wave phosphorescence

Visible light

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