AM_Joelbruggerite Formula: Pb3 (Sb.57 Te.43) Zn3 As2 O14 Name: Joelbruggerite Unit cell: 8.4803 8.4803 5.2334 90.0 90.0 120.0 , V=325.94 Space group: P321 (150)

Mills S J , Kolitsch U , Miyawaki R , Groat L A , Poirier G , American Mineralogist , 94 (2009) p.1012-1017, Joelbruggerite, Pb3Zn3(Sb,Te)As2O13(OH,O), the Sb5+ analog of dugganite,, from the Black Pine mine, Montana, Locality: the Black Pine mine, Montana, USA