Germanite

Cu₁₃Fe₂Ge₂S₁₆

Tettenhorst, R. T.Corbato, C. E.

American Mineralogist (1984) 69, 943-947

a=10.5862Å   b=10.5862Å   c=10.5862Å

α=90°   β=90°   γ=90°