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: MS12
Note: 1M polytype
_database_code_amcsd 0004295
5.333 9.244 10.152 90 100.164 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 .035   .030   .033   .040      0   .005      0
NaA        0    .5     0 .07 .035   .030   .033   .040      0   .005      0
MgM1       0     0    .5  .5 .011   .009   .009   .016      0   .004      0
Fe2+M1     0     0    .5 .37 .011   .009   .009   .016      0   .004      0
TiM1       0     0    .5 .13 .011   .009   .009   .016      0   .004      0
MgM2       0 .3397    .5  .5 .013   .009   .016   .015      0   .002      0
Fe2+M2     0 .3397    .5 .37 .013   .009   .016   .015      0   .002      0
TiM2       0 .3397    .5 .13 .013   .009   .016   .015      0   .002      0
AlT    .0742 .1672 .2239 .27 .010   .008   .010   .012      0   .002      0
SiT    .0742 .1672 .2239 .73 .010   .008   .010   .012      0   .002      0
O1     .3191 .2358 .1652     .021   .019   .028   .017  -.006   .003  -.001
O2     .0264     0 .1680     .022   .029   .016   .018      0  -.001      0
O3     .1315 .1692 .3908     .013   .011   .014   .013   .001   .002      0
O4     .1319    .5 .3997     .013   .011   .015   .013      0   .002      0