American Mineralogist Crystal Structure Database

1 matching records for this search.

Fluoro-potassic-magnesio-arfvedsonite
 
Oberti R, Boiocchi M, Hawthorne F C, Robinson P
 
Mineralogical Magazine 74 (2010) 951-960
Crystal structure and crystal chemistry of fluoro-potassic-magnesio-arfvedsonite
from Monte Metocha, Xixano region, Mozambique, and discussion of the holotype
from Quebec, Canada
Locality: Monte Metocha, Xixano region, Mozambique
_database_code_amcsd 0018304
9.9591 17.9529 5.2867 90 104.340 90 C2/m
atom       x     y     z  occ Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
KAm    .0313    .5 .0701  .49 1.59  .0056  .0010  .0195      0  .0079      0
NaM4       0 .2775    .5 .905 1.35  .0043  .0008  .0164      0  .0048      0
CaM4       0 .2775    .5 .095 1.35  .0043  .0008  .0164      0  .0048      0
MgM1       0 .0894    .5  .77  .76  .0022  .0007  .0063      0  .0013      0
Fe2+M1     0 .0894    .5  .17  .76  .0022  .0007  .0063      0  .0013      0
TiM1       0 .0894    .5  .06  .76  .0022  .0007  .0063      0  .0013      0
Fe3+M2     0 .1825     0 .450  .57  .0016  .0004  .0055      0  .0008      0
MgM2       0 .1825     0 .340  .57  .0016  .0004  .0055      0  .0008      0
Fe2+M2     0 .1825     0 .200  .57  .0016  .0004  .0055      0  .0008      0
AlM2       0 .1825     0 .005  .57  .0016  .0004  .0055      0  .0008      0
ZnM2       0 .1825     0 .005  .57  .0016  .0004  .0055      0  .0008      0
MgM3       0     0     0  .87  .58  .0020  .0004  .0046      0  .0006      0
Fe2+M3     0     0     0  .09  .58  .0020  .0004  .0046      0  .0006      0
MnM3       0     0     0  .04  .58  .0020  .0004  .0046      0  .0006      0
SiT1   .2758 .0858 .2976       .47  .0014  .0004  .0041      0  .0006 -.0001
SiT2   .2853 .1714 .8040       .47  .0014  .0004  .0041 -.0001  .0007 -.0001
O1     .1098 .0877 .2161       .67  .0014  .0006  .0064 -.0001  .0008 -.0001
O2     .1181 .1696 .7305       .68  .0016  .0006  .0063      0  .0006 -.0001
F3     .1048     0 .7119 .515  .90  .0026  .0007  .0080      0  .0009      0
O3     .1048     0 .7119 .485  .90  .0026  .0007  .0080      0  .0009      0
O4     .3608 .2491 .8014       .89  .0031  .0005  .0080 -.0005  .0015 -.0001
O5     .3441 .1284 .0886       .76  .0019  .0008  .0062      0  .0012  .0008
O6     .3393 .1189 .5877       .79  .0022  .0007  .0054      0  .0008 -.0007
O7     .3307     0 .3056       .84  .0024  .0004  .0114      0  .0016      0
H       .188     0  .740 .365  .80
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