AM_Dukeite Formula: Bi12 Cr4 O33 H6 Name: Dukeite Unit cell: 15.067 15.067 15.293 90.0 90.0 120.0 , V=3006.61 Space group: P31C (159)

Burns P C , Roberts A C , Stirling J A R , Criddle A J , Feinglos M N , American Mineralogist , 85 (2000) p.1822-1827, Dukeite, Bi24Cr8O57(OH)6(H2O)3, a new mineral from Brejauba, Minas Gerais,, Brazil: Description and crystal structure