AM_Buttgenbachite_1 Formula: Cu18.3 Cl3.35 N1.3 O36.9 H33 Name: Buttgenbachite Unit cell: 15.75 15.75 9.161 90.0 90.0 120.0 , V=1968.04 Space group: P63/MMC (194)

Fanfani L , Nunzi A , Zanazzi P F , Zanzari A R , Mineralogical Magazine , 39 (1973) p.264-270, The crystal structure of buttgenbachite, Locality: Likasi, Congo