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