AM_Hanawaltite
Formula: Hg7 Cl2 O3
Name: Hanawaltite
Unit cell: 11.796 13.89 6.471 90.0 90.0 90.0 , V=1060.25
Space group: PBMA (57)

Grice J D , The Canadian Mineralogist , 37 (1999) p.775-778, Redetermination of the crystal structure of hanawaltite