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: MS14(1)
Note: 2M_1 polytype
_database_code_amcsd 0004305
5.3341 9.2403 20.085 90 95.151 90 C2/c
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 .0843   .25 .93 .034   .030   .031   .041      0   .004      0
NaA        0 .0843   .25 .07 .034   .030   .031   .041      0   .004      0
MgM1     .75   .25     0  .5 .011   .008   .009   .017   .001   .003   .001
Fe2+M1   .75   .25     0 .37 .011   .008   .009   .017   .001   .003   .001
TiM1     .75   .25     0 .13 .011   .008   .009   .017   .001   .003   .001
MgM2   .2409 .0803 .0000  .5 .013   .013   .009   .015   .004   .001   .003
Fe2+M2 .2409 .0803 .0000 .37 .013   .013   .009   .015   .004   .001   .003
TiM2   .2409 .0803 .0000 .13 .013   .013   .009   .015   .004   .001   .003
AlT1   .4619 .2503 .1379 .29 .011   .009   .010   .014   .001   .001   .001
SiT1   .4619 .2503 .1379 .71 .011   .009   .010   .014   .001   .001   .001
AlT2   .9638 .4175 .1380 .29 .011   .009   .009   .015   .001   .001   .001
SiT2   .9638 .4175 .1380 .71 .011   .009   .009   .015   .001   .001   .001
O11    .7373 .3195 .1658     .020   .016   .027   .017  -.007   .001  -.001
O21    .2371 .3479 .1669     .019   .017   .022   .019   .006   .001  -.003
O22    .4441 .0833 .1667     .019   .030   .013   .015      0   .005      0
O31    .4307 .2499 .0547     .013   .012   .013   .014      0   .002  -.001
O32    .9380 .4191 .0550     .012   .012   .011   .013   .001   .003   .001
O41    .9353 .0829 .0506     .012   .013   .009   .015   .003   .002   .002