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Calcioancylite-(Ce) (Ca, Sr)(Ce, La)3(CO3 )4 (OH)3 • H2 O c 2001-2005 Mineral Data Publishing, version...aggregates; may occur as zoned intergrowns with ancylite-(Ce). Physical Properties: Fracture: Splintery. Tenacity:...Cell Data: Space Group: [P m] [by analogy to _calcioancylite_-(Nd)]. c = n.d. β = n.d. Z = n.d. a = n.d...Mountains. From Baveno, Italy. In the Kalcherkogel tunnel, Styria, Austria. Found near Mendig, Eifel, Germany...Petersen, and A.V. Voloshin (1997) Calcio-ancylite-(Ce) from Ilı́maussaq and Narssârssuk, Greenland, Kola