Burbankite, (Na,Ca)3(Sr,Ba,Ce)3(CO3)5
Yellowish hexagonal prisn of burbankite. The acicular crystals at upper left are aegirine.
Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
FOV = 3.0 mm
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