Burbankite : (Na,Ca)3(Sr,Ba,Ce)3(CO3)5
Calcite : CaCO3
As recorded:
Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
Photo added to mindat.org
“A hexagonal prismatic crystal of light green burbankite, on white calcite. Former William Henderson collection, who noted: "same cavity as U 241o. Angles confirm burbankite". Collection and photo by Gianfranco Ciccolini. Nikon D750, bellows, Luminar 25 mm.”
Gianfranco Ciccolini - 10th November 2019
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