AM_Tsumcorite Formula: Pb Zn Fe As2 O10 H5 Name: Tsumcorite Unit cell: 9.124 6.329 7.577 90.0 115.28 90.0 , V=395.64 Space group: C12/M1 (12)

Tillmanns E , Gebert W , Acta Crystallographica, Section B , 29 (1973) p.2789-2794, The crystal structure of tsumcorite, a new mineral from the Tsumeb Mine, S.W. Africa, Locality: Tsumeb mine, Namibia, Africa