AM_Langbeinite_1 Formula: K2 Mn2 S3 O12 Name: Langbeinite Unit cell: 10.1073 10.1073 10.1073 90.0 90.0 90.0 , V=1032.54 Space group: P213 (198)

Oelkrug H , Bruckel T , Hohlwein D , Hoser A , Prandl W , Physics and Chemistry of Minerals , 16 (1988) p.246-249, The magnetic structure of the langbeinite K2Mn2(SO4)3, Locality: synthetic