AM_Rickardite
Formula: Cu1.4 Te
Name: Rickardite
Unit cell: 3.98 3.98 6.12 90.0 90.0 90.0 , V=96.94
Space group: P4/NMM (129)

Forman S A , Peacock M A , American Mineralogist , 34 (1949) p.441-451, Crystal structure of rickardite, Cu4-xTe2