Steacyite, Aegirine

Specimen ID: CNQ-X1J

Steacyite : K0.3(Na,Ca)2ThSi8O20
Aegirine : NaFe3+Si2O6
As recorded:
Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
Mindat locality:

Photo added to

A fine aggregate of tetragonal crystals, prismatic, dark gray, of steacyte with crystals needle-like, green, of aegirine. This specimen was found by Vi. Anderson on 5 December 1986. It was later in the collection of Marcelle Weber, and after in that of Adriana and Renato Pagano and now in the collection of Gianfranco Ciccolini, author of the photo.
Gianfranco Ciccolini - 18th March 2017
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