Valentinite Buerger M J American Mineralogist 21 (1936) 206-207 The crystal structure of valentinite _database_code_amcsd 0000015 4.92 12.46 5.42 90 90 90 Pccn atom x y z Sb .1215 .207 .175 O1 .25 .25 -.075 O2 -.110 .156 .175