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 = 183 C
Locality: synthetic
_database_code_amcsd 0007988
4.9580 4.9580 10.967 90 90 120 *P3_221
0 0 .333333333333333333
atom      x      y      z  Uiso B(1,1) B(2,2) B(3,3) B(1,2)  B(1,3) B(2,3)
Al   .46847      0    1/3 .0117 .01406 .01066 .00177 .00533  .00009 .00018
P    .46921      0    5/6 .0117 .01421 .01020 .00183  .0051 .000085 .00017
O1   .41669 .28767 .26786 .0221 .03233 .02248 .00334 .01788  .00190 .00324
O2   .41639 .25352 .78127 .0221 .03207 .02194 .00367 .01860  .00289 .00374