Berlinite
Muraoka Y, Kihara K
Physics and Chemistry of Minerals 24 (1997) 243-253
The temperature dependence of the crystal structure of berlinite,
a quartz-type form of AlPO4
Sample: T = 568 C
Locality: synthetic
_database_code_amcsd 0007994
5.017 5.017 11.038 90 90 120 *P3_221
0 0 .33333333333333333333
atom      x      y       z  Uiso B(1,1) B(2,2) B(3,3)  B(1,2) B(1,3) B(2,3)
Al   .48087      0     1/3 .0233 .02728 .02229 .00336 .011145 .00018 .00036
P    .48222      0     5/6 .0240 .02772 .02031 .00384 .010155 .00019 .00038
O1   .41927 .26538  .25905  .050 .06295 .05092 .00797  .03577 .00084 .00982
O2   .42049 .23108  .77164  .051 .06013 .05625 .00846  .03766 .00552 .01193