AM_Rontgenite-(Ce) Formula: Ce3 Ca2 C O3 F3 Name: Rontgenite-(Ce) Unit cell: 7.13 7.13 69.4 90.0 90.0 120.0 , V=3055.41 Space group: R113 (1)

Donnay G , Donnay J D H , American Mineralogist , 38 (1953) p.932-963, The crystallography of bastnaesite, parasite, roentgenite, and synchisite