Arfvedsonite
Hawthorne F C, Ungaretti L, Oberti R, Bottazzi P, Czamanske G K
American Mineralogist 78 (1993) 733-745
Li: an important component in igneous alkali amphiboles
Locality: Questa caldera, New Mexico
Sample: A(12)
_database_code_amcsd 0001597
9.840 18.036 5.365 90 104.05 90 C2/m
atom       x     y     z  occ Biso
O1     .1111 .0903 .2079       .72
O2     .1202 .1720 .7349       .71
O3     .1112     0 .7076  .60 1.00
F      .1112     0 .7076  .40 1.00
O4     .3649 .2488 .7986       .94
O5     .3488 .1283 .0798       .93
O6     .3405 .1200 .5781       .91
O7     .3341     0 .2970      1.00
SiT1   .2801 .0857 .2902 .978  .46
AlT1   .2801 .0857 .2902 .022  .46
SiT2   .2899 .1705 .8002 .978  .49
AlT2   .2899 .1705 .8002 .022  .49
MgM1       0 .0908    .5 .110  .60
Fe2+M1     0 .0908    .5 .720  .60
MnM1       0 .0908    .5 .170  .60
Fe2+M2     0 .1829     0 .290  .57
Fe3+M2     0 .1829     0 .650  .57
TiM2       0 .1829     0 .040  .57
ZnM2       0 .1829     0 .020  .57
LiM3       0     0     0 .170  .59
MgM3       0     0     0 .090  .59
Fe2+M3     0     0     0 .500  .59
MnM3       0     0     0 .240  .59
NaM4       0 .2770    .5 .935 1.42
CaM4       0 .2770    .5  .04 1.42
FeM4       0 .2770    .5 .025 1.42
KA         0    .5     0 .083 9.90
NaA        0    .5     0 .203 9.90
KAm    .0476    .5 .1147 .070 2.48
NaAm   .0476    .5 .1147 .171 2.48
H      .1983     0 .7472  .60 1.61