Description: Calcioancylite-Ce ps. after remondite Poudrette Quarry, Mont Saint-Hilaire, Monteregie, Quebec, Canada 2.0 x 3.7 cm. Grayish-purple calcioancylite-Ce replacing remondite. This species exhibits an interesting optical phenomenon. When viewed under incandescent lighting it is pale purple and turns gray/green under fluorescent (not UV) lighting. Details of this find appeared in the July/Aug. 2000 issue of Lapis.

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