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| Keywords: Bastnäsite-(Ce), Rhodochrosite-204288.jpg Bastnäsite- Ce Rhodochrosite FOV 8 x 11 4 mm Locality Poudrette quarry Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire Mont Saint-Hilaire Rouville RCM Montérégie Québec Canada The taller xl plus rhodochrosite hat is a bit < 2 cm tall Via Jean-Yves Lamoureux found July 1989 MOB coll This is a pseudomorph - likely after petersenite- Ce or another burbankite family mineral Only XRD and qualitative EDS - I forget was done but at MSH Ce dominates in all bastnäsite group minerals Some areas of the xls look gemmy but apparently there is no relict material to prove that it was petersenite- Ce rather than some other burbankite family member This find predates the Poudrette pegmatite PS of synchysite- Ce after petersenite- Ce The dark red/brown rhombs are rhodochrosite Bastnäsit- Ce Rhodochrosit Sichtfeld 8 x 11 4 mm Fundort Steinbruch Poudrette Demix Uni-Mix Desourdy Mont Saint-Hilaire Rouville RCM Montérégie Québec Kanada http //www mindat org/photo-204288 html 2008-12-29 http //www mindat org/user-11235 html 0 Modris Baum <gallery> File Bastnäsite- Ce _Rhodochrosite-204285 jpg </gallery> Modris Baum Bastnäsite- Ce Rhodochrosite Files by Modris Baum from mindat | ||||
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