AM_Wurtzite-4H Formula: Zn S Name: Wurtzite-4H Unit cell: 3.8227 3.8227 12.52 90.0 90.0 120.0 , V=158.44 Space group: P63MC (186)

Chao G Y , Gault R A , The Canadian Mineralogist , 36 (1998) p.775-778, The occurence of two rare polytypes of wurtzite, 4H and 8H,, at Mont Saint-Hilaire, Quebec, Locality: Mont Saint-Hilaire, Quebec, Canada