Berthierine, (Fe2+,Fe3+,Al)3(Si,Al)2O5(OH)4
Ancylite-(Ce), CeSr(CO3)2(OH)·H2O
Two hexagonal pale green berthierine crystals plus 2 cololess ancylite-*Ce)_ crystals.
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 = 1.6 mm
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