AM_Steenstrupine-(Ce)
Formula: Na13.48 Ca.52 (Ce3.9 La2.1) Mn2 Fe2 Zr Si13.38 P5.44 O68.2 H10
Name: Steenstrupine-(Ce)
Unit cell: 10.46 10.46 45.479 90.0 90.0 120.0 , V=4309.28
Space group: R-3M (166)

Moore P B , Shen J , Tschermaks Mineralogische und Petrographische Mitteilungen , 31 (1983) p.47-67, Crystal structure of steenstrupine: A rod structure of unusual complexity