Pumpellyite-(Al)
Artioli G, Geiger C A
Physics and Chemistry of Minerals 20 (1994) 443-453
The crystal chemistry of pumpellyite: An X-ray Rietveld
refinement and 57Fe Mossbauer study
Note: sample HR
Locality: Hicks Ranch, California
_database_code_amcsd 0007759
8.8193 5.9042 19.1138 90 97.433 90 A2/m
atom     x    y     z  occ  Uiso
Si1  .0538    0 .0894       .021
Si2  .1642    0 .2485       .021
Si3  .4690    0 .4013       .021
AlX     .5  .25   .25 .512  .022
FeX     .5  .25   .25 .133  .022
MgX     .5  .25   .25 .355  .022
AlY  .2519 .245 .4959 .970  .022
FeY  .2519 .245 .4959 .030  .022
Ca1  .2511   .5 .3370       .015
Ca2  .1904   .5 .1553       .014
O1   .1341 .229 .0711      .0165
O2   .2697 .222 .2448      .0165
O3   .3723 .228 .4198      .0165
O4    .129   .5 .4435      .0165
OH5   .130    0 .4533      .0165
O6    .366   .5 .0447      .0165
OH7   .370    0 .0344      .0165
O8    .037    0 .1771      .0165
O9    .480   .5 .1793      .0165
OH10  .063    0 .3146      .0165
OH11  .502   .5 .3175      .0165