Groutite Wyckoff R W G Crystal Structures 1 (1963) 290-295 Second edition. Interscience Publishers, New York, New York _database_code_amcsd 0011832 4.56 10.70 2.85 90 90 90 Pbnm atom x y z Mn -.036 .140 .25 OH1 .27 -.20 .25 O2 -.21 -.05 .25