Arsenoflorencite-(La)
Mills S J, Nestola F
Mineralogical Magazine 76 (2012) 975-985
Elasticity and high-pressure structure of arsenoflorencite-(La):
insights into the high-pressure behaviour of the alunite supergroup
note: P = 5.7 GPa
Locality: Grupendity Lake cirque, Komi Republic, Russia
_database_code_amcsd 0019920
6.9538 6.9538 16.2436 90 90 120 R-3m
atom     x      y      z occ  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
La       0      0      0     .0161  .0163  .0163  .0156  .0082      0      0
Al      .5      0     .5 .95 .0157   .018   .018   .011  .0091  .0011   .002
Fe      .5      0     .5 .05 .0157   .018   .018   .011  .0091  .0011   .002
As       0      0 .31695 .93 .0133  .0130  .0130  .0141  .0065      0      0
P        0      0 .31695 .07 .0133  .0130  .0130  .0141  .0065      0      0
O1       0      0  .5827      .018   .006   .006   .044   .003      0      0
O2   .2039 -.2039 -.0518      .016   .020   .020   .012   .013  -.003   .003
OH3  .1261 -.1261  .1386     .0096   .013   .013   .007      0  .0007 -.0007