Wurtzite-4H Chao G Y, Gault R A The Canadian Mineralogist 36 (1998) 775-778 The occurence of two rare polytypes of wurtzite, 4H and 8H, at Mont Saint-Hilaire, Quebec Locality: Mont Saint-Hilaire, Quebec, Canada _database_code_amcsd 0005544 3.8227 3.8227 12.52 90 90 120 P6_3mc atom x y z Zn1 0 0 0 Zn2 1/3 2/3 .25 S1 0 0 .1875 S2 1/3 2/3 .4375