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Griceite: LiF Villiaumite: NaF
Comments: White aggregates of griceite with pinkish villiaumite. Location: Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mt Saint-Hilaire, Rouville Co., Québec, Canada. Scale: Picture size 3.5 mm. © Thomas Witzke / Abraxas-Verlag