AM_Ewaldite
Formula: Ba Ca.48 Ce.2 Na.15 K.11 Sr.03 U.02 C O3
Name: Ewaldite
Unit cell: 5.284 5.284 12.78 90.0 90.0 120.0 , V=309.02
Space group: P63MC (186)

Donnay G , Preston H , Tschermaks Mineralogische und Petrographische Mitteilungen , 15 (1971) p.201-212, Ewaldite, a new barium calcium carbonate II. Its crystal structure, Note: unlocated carbonate group