Jahnsite-(CaMnMg) Formula: Ca Mn Mg2 Fe2 P4 O26 H18 Name: Jahnsite-(CaMnMg) Unit cell: 14.94 7.14 9.93 90.0 110.16 90.0 , V=994.35 Space group: P12/A1 (13)
Moore P B , Araki T , American Mineralogist , 59 (1974) p.964-973, Jahnsite, CaMnMg2(H2O)8Fe2(OH)2[PO4]4: A novel stereoisomerism of, ligands about octahedral corner-chains