Montebrasite
Groat L A, Chakoumakos B C, Brouwer D H, Hoffman C M, Fyfe C A, Morell H, Schultz A J
American Mineralogist 88 (2003) 195-210
The amblygonite (LiAlPO4F) - montebrasite (LiAlPO4OH) solid solution:
A combined powder and single-crystal neutron diffraction and solid-state Li MAS, CP MAS,
and REDOR NMR study
Sample: from Tanco Pegmatite, Bernic Lake, Manitoba at T = 295 K
Note: O3-x coordinate modified
_database_code_amcsd 0002965
6.6941 7.7204 6.9728 90.919 117.75 91.369 C-1
atom      x       y      z occ  Uiso
P     .9851   .3410  .2618     .0062
Al1       0       0      0     .0063
Al2       0       0    1/2     .0051
O1   -.3167  .01652 -.1526     .0092
O2    .2985  .05971  .5808     .0096
O3    .0998 -.22273 -.3870     .0083
O4    .0257  .23365  .0981     .0099
O     .0358  .08658 -.2324 .55 .0096
F     .0358  .08658 -.2324 .45 .0096
H     .2011   .1373  .8440 .55  .022
Li1    .050  -.3230   .249 .37  .017
Li2   .0680  -.3218   .316 .63  .014