AM_Tsumebite Formula: Pb2 Cu2 S P (O9 H) Name: Tsumebite Unit cell: 7.85 5.8 8.7 90.0 111.0 90.0 , V=369.80 Space group: P121/M1 (11)

Fanfani L , Zanazzi P F , Mineralogical Magazine , 36 (1967) p.522-529, Structural similarities of some secondary lead minerals, Locality: Tsumeb, South West Africa, Note: coordinates of O atoms are from arsentsumebite