Holmquistite
Camara F, Oberti R
American Mineralogist 90 (2005) 1167-1176
The crystal-chemistry of holmquistites: Ferroholmquistite from
Greenbushes (Western Australia) and
hints for compositional constraints in B-Li amphiboles
Sample: Norway
_database_code_amcsd 0003818
18.336 17.693 5.2755 90 90 90 Pnma
atom      x      y      z   occ Uiso
Mg1   .1253  .1601  .3952  .765 .006
Fe1   .1253  .1601  .3952  .215 .006
Mn1   .1253  .1601  .3952   .02 .006
Al2   .1253  .0686 -.1040  .665 .005
Fe3+2 .1253  .0686 -.1040   .27 .005
Fe++2 .1253  .0686 -.1040  .055 .005
Mg2   .1253  .0686 -.1040  .005 .005
Zn2   .1253  .0686 -.1040  .005 .005
Mg3   .1252    .25 -.1053   .82 .006
Fe3   .1252    .25 -.1053   .18 .006
Li4   .1235 -.0075  .3962  .965 .017
Mg4   .1235 -.0075  .3962   .03 .017
Na4   .1235 -.0075  .3962  .005 .017
NaA    .375    .25     .5   .04
Si1A  .2698  .1626  .0675       .005
Si1B -.0192  .1629  .7243       .005
Si2A  .2733  .0767  .5725       .005
Si2B -.0241  .0777  .2174       .005
O1A   .1811  .1583  .0525       .007
O1B   .0696  .1578  .7377       .006
O2A   .1845  .0764  .5878       .006
O2B   .0650  .0758  .2022       .007
OH3A  .1822    .25  .5557   .95 .010
F3A   .1822    .25  .5557   .05 .010
OH3B  .0688    .25  .2337   .95 .009
F3B   .0688    .25  .2337   .05 .009
O4A   .3117 -.0038  .5636       .008
O4B  -.0645 -.0007  .2697       .009
O5A   .3048  .1158 -.1657       .008
O5B  -.0537  .1134  .9517       .008
O6A   .2974  .1295  .3342       .009
O6B  -.0466  .1337  .4517       .009
O7A   .2946    .25  .0455       .011
O7B  -.0440    .25  .7597       .009
HA    .2346    .25  .5481   .95
HB    .0188    .25  .2567   .95