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| Keywords: Astrophyllite-168266.jpg Astrophyllite Size 1 8 x 1 5 cm Locality Poudrette quarry Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire Mont Saint-Hilaire Rouville RCM Montérégie Québec Canada The xl is about 1 8 x 1 5 cm and about 2 5 mm thick MOB coll By the MSH astrophyllite/kupletskite rules of thumb given by Paula Piilonen CMMA Newsletter Mar/Apr 2004 I would expect this to be kupletskite with the lighter rims being niobokupletskite But this is ex Ron Waddell who has a note saying that Dr George Chao identified both as astrophyllite While niobokupletskite was unknown at the time kupletskite certainly was So I'll go with GYC - though I have some reservations Perhaps Dr Chao only did XRD and meant astrophyllite group Astrophyllit Größe 1 8 x 1 5 cm Fundort Steinbruch Poudrette Demix Uni-Mix Desourdy Mont Saint-Hilaire Rouville RCM Montérégie Québec Kanada http //www mindat org/photo-168266 html 2008-06-01 http //www mindat org/user-11235 html 0 Modris Baum Modris Baum Astrophyllite Poudrette Quarry Files by Modris Baum from mindat | ||||
