Amblygonite
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 Chursdorf, near Penig, Saxony, Germany at T = 20 K
_database_code_amcsd 0002970
6.678 7.717 6.931 90.59 117.65 91.08 C-1
atom      x      y      z occ  Uiso
P    -.0154  .3404  .2568     .0075
Al1       0      0      0     .0097
Al2       0      0    1/2     .0065
O1   -.3160  .0163 -.1479     .0091
O2    .2987  .0610  .5867     .0091
O3    .0999 -.2223 -.3845     .0087
O4    .0235  .2326  .0915     .0096
O     .0236  .0836 -.2390 .23 .0102
F     .0236  .0836 -.2390 .05 .0102
H      .197   .140   .838 .23  .020
Li1    .043 -.3231   .253 .64  .017
Li2    .069  -.325   .307 .36  .010