Phlogopite
Laurora A, Brigatti M F, Mottana A, Malferrari D, Caprilli E
American Mineralogist 92 (2007) 468-480
Crystal chemistry of trioctahedral micas in alkaline and subalkaline volcanic
rocks: A case study from Mt. Sassetto (Tolfa district, Latium, central Italy)
Locality: Mt. Sassetto, Tolfa district, Latium, Italy
Sample: MS13
Note: 1M polytype
_database_code_amcsd 0004304
5.3399 9.2483 10.1688 90 100.217 90 C2/m
atom       x     y     z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
KA         0    .5     0 .93 .033   .032   .029   .039      0   .006      0
NaA        0    .5     0 .07 .033   .032   .029   .039      0   .006      0
MgM1       0     0    .5  .5 .013   .012   .009   .019      0   .004      0
Fe2+M1     0     0    .5 .37 .013   .012   .009   .019      0   .004      0
TiM1       0     0    .5 .13 .013   .012   .009   .019      0   .004      0
MgM2       0 .3389    .5  .5 .014   .010   .015   .017      0   .002      0
Fe2+M2     0 .3389    .5 .37 .014   .010   .015   .017      0   .002      0
TiM2       0 .3389    .5 .13 .014   .010   .015   .017      0   .002      0
AlT    .0745 .1672 .2242 .29 .007   .007   .006   .009      0      0  -.001
SiT    .0745 .1672 .2242 .71 .007   .007   .006   .009      0      0  -.001
O1     .3184 .2357 .1662     .021   .020   .024   .019  -.006   .004  -.002
O2     .0277     0 .1680     .021   .030   .012   .021      0   .001      0
O3     .1308 .1692 .3907     .011   .010   .009   .014   .002   .001  -.002
O4     .1303    .5 .3983     .012   .010   .011   .015      0   .001      0