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