Iangreyite Mills S J, Kampf A R, Sejkora J, Adams P M, Birch W D, Plasil J Mineralogical Magazine 75 (2011) 327-336 Iangreyite: a new secondary phosphate mineral closely related to perhamite Locality: Silver Coin mine, Nevada, USA _database_code_amcsd 0018377 6.988 6.988 16.707 90 90 120 P321 atom x y z occ Ca1 0 0 0 Ca2 2/3 1/3 .316 .5 Al1 .166 1/3 .835 Al2 0 0 .5 P1 2/3 1/3 .020 P2 0 0 .295 O1 .429 .214 .052 O2 .240 .120 .268 O3 0 0 .389 OH1 1/3 2/3 .070 OH2 .253 0 .5 OH3 .126 .252 .131 OH4 .914 .457 .192 Wat1 1/3 2/3 .250 Wat2 .030 .515 .402