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Polylithionite, Aegirine


Polylithionite : KLi2Al[(F,OH)2|Si4O10], Aegirine : NaFe3+[Si2O6]

Photo Copyright © 2000-2001 by John H. Betts. All Rights Reserved.
This photo, and many others, have been provided by John Betts Fine Minerals - http://www.johnbetts-fineminerals.com - For more fine minerals click here.  - This image is copyrighted. Unauthorized reproduction prohibited.
Locality: Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mont Saint-Hilaire, Rouville Co., Québec, Canada
Pearly hexagonal polylithionite crystals to 1 cm with elongated black aegirine crystals to 2 cm. A rare mineral for this locality. Fluoresces yellow-white under UV illumination. Overall size of mineral specimen: 3x1.5x1 cm. Size of individual crystals: 5-20 mm.

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