Montebrasite
Groat L A, Raudsepp M, Hawthorne F C, Ercit T S, Sherriff B L, Hartman J S
American Mineralogist 75 (1990) 992-1008
The amblygonite-montebrasite series: Characterization by single-crystal
structure refinement, infrared spectroscopy and multinuclear MAS-NMR
spectroscopy
sample AF-43
_database_code_amcsd 0001321
6.713 7.711 7.0102 91.22 117.91 91.67 C-1
atom       x      y      z  occ  Uiso
P    -.01576 .34196 .26542      .0052
Al1        0      0      0      .0058
Al2        0      0     .5      .0056
O1    -.3172  .0156 -.1579      .0080
O2     .2983  .0584  .5758      .0079
O3     .1010 -.2236 -.3895      .0075
O4     .0266  .2357  .1026      .0086
Oh     .0442  .0882 -.2278 .911 .0079
F      .0442  .0882 -.2278 .089 .0079
Li1      .06  -.318   .285   .5 .0118
Li2      .08  -.322   .331   .5 .0118
H       .178   .132   .850 .911 .0100