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: MS3(1)
Note: 1M polytype
_database_code_amcsd 0004296
5.3402 9.2461 10.1866 90 100.138 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 .94 .035   .034   .033   .039      0   .006      0
NaA        0    .5     0 .06 .035   .034   .033   .039      0   .006      0
MgM1       0     0    .5 .48 .014   .012   .011   .019      0   .005      0
Fe2+M1     0     0    .5 .38 .014   .012   .011   .019      0   .005      0
TiM1       0     0    .5  .1 .014   .012   .011   .019      0   .005      0
AlM1       0     0    .5 .04 .014   .012   .011   .019      0   .005      0
MgM2       0 .3378    .5 .48 .015   .011   .017   .017      0   .002      0
Fe2+M2     0 .3378    .5 .38 .015   .011   .017   .017      0   .002      0
TiM2       0 .3378    .5  .1 .015   .011   .017   .017      0   .002      0
AlM2       0 .3378    .5 .04 .015   .011   .017   .017      0   .002      0
AlT    .0746 .1671 .2245  .3 .010   .009   .009   .012      0   .002      0
SiT    .0746 .1671 .2245  .7 .010   .009   .009   .012      0   .002      0
O1     .3226 .2322 .1670     .020   .018   .025   .018  -.007   .004  -.003
O2     .0197     0 .1684     .020   .030   .013   .016      0   .001      0
O3     .1308 .1685 .3906     .012   .013   .012   .012      0   .003  -.001
O4     .1316    .5 .3987     .013   .011   .014   .014      0   .002      0