Mitscherlichite Chrobak L Zeitschrift fur Kristallographie 88 (1934) 35-47 Quantitative spectrometric studies of ammonium and of potassium cupric chloride dihydrate (NH4)2CuCl4*2H2O and K2CuCl4*2H2O Locality: synthetic _database_code_amcsd 0010516 7.45 7.45 7.88 90 90 90 P4_2/mnm atom x y z Cu 0 0 0 K 0 .5 .25 O 0 0 .248 Cl1 .220 .220 0 Cl2 .220 .220 .5 H .076 .076 .322