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: Siberia
_database_code_amcsd 0003814
18.277 17.646 5.2792 90 90 90 Pnma
atom      x      y      z   occ Uiso
Mg1   .1252  .1589  .3943  .655 .007
Fe1   .1252  .1589  .3943   .34 .007
Mn1   .1252  .1589  .3943  .005 .007
Al2   .1253  .0688 -.1041   .98 .007
Fe2   .1253  .0688 -.1041   .02 .007
Mg3   .1253    .25 -.1060   .53 .007
Fe3   .1253    .25 -.1060   .47 .007
Li4   .1239 -.0091  .3986  .855 .018
Mg4   .1239 -.0091  .3986  .025 .018
Na4   .1239 -.0091  .3986  .015 .018
Fe4   .1239 -.0091  .3986  .005 .018
Si1A  .2696  .1619  .0674  .995 .006
Al1A  .2696  .1619  .0674  .005 .006
Si1B -.0191  .1624  .7231  .995 .006
Al1B -.0191  .1624  .7231  .005 .006
Si2A  .2735  .0759  .5736       .006
Si2B -.0242  .0770  .2144       .006
O1A   .1806  .1561  .0499       .007
O1B   .0698  .1560  .7385       .007
O2A   .1844  .0753  .5927       .008
O2B   .0652  .0748  .1973       .008
OH3A  .1822    .25  .5530   .99 .009
F3A   .1822    .25  .5530   .01 .009
OH3B  .0689    .25  .2350   .99 .009
F3B   .0689    .25  .2350   .01 .009
O4A   .3126 -.0042  .5618       .010
O4B  -.0649 -.0014  .2680       .009
O5A   .3056  .1147 -.1646       .009
O5B  -.0543  .1135  .9488       .009
O6A   .2967  .1300  .3371       .010
O6B  -.0463  .1330  .4487       .011
O7A   .2931    .25  .0420       .010
O7B  -.0430    .25  .7561       .011
HA    .2330    .25  .5446   .99
HB    .0221    .25  .2206   .99