AM_Ancylite-(Ce) Formula: (Ce.41 La.28 Sr.2 Ca.11) C O4 H2.69 Name: Ancylite-(Ce) Unit cell: 5.03 8.52 7.29 90.0 90.0 90.0 , V=312.42 Space group: PMCN (62)

dal Negro A , Rossi G , Tazzoli V , American Mineralogist , 60 (1975) p.280-284, The crystal structure of ancylite, (RE)x(Ca,Sr)2-x(CO3)2(OH)x(2-x)H2O, Locality: Mont St. Hilaire, Quebec, Canada