AM_Hemimorphite Formula: Zn4 Si2 O9 H2 Name: Hemimorphite Unit cell: 8.181 10.841 5.081 90.0 90.0 90.0 , V=450.63 Space group: IMM2 (44)

Libowitzky E , Kohler T , Armbruster T , Rossman G R , European Journal of Mineralogy , 9 (1997) p.803-810, Proton disorder in dehydrated hemimorphite - IR spectroscopy, and X-ray structure refinement at low and ambient temperatures, T = 110 K