Laurionite Wyckoff R W G Crystal Structures 1 (1963) 298-306 Second edition. Interscience Publishers, New York, New York _database_code_amcsd 0011877 9.7 7.1 4.05 90 90 90 Pbnm atom x y z Pb .088 .204 .25 OH .125 .831 .25 Cl -.185 .469 .25