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PeterseniteCe. Petersenite Ce Locality Poudrette quarry Demix quarry UniMix quarry Desourdy quarry Carrire Mont SaintHilaire Mont SaintHilaire La ValleduRichelieu RCM Montrgie Qubec Canada The petersenite Ce xls are mm Via JeanPierre Beckerich MOB coll This is from the Poudrette pegmatite The black aegirine prisms are all broken