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: MS2 Note: 1M polytype _database_code_amcsd 0004292 5.3369 9.2423 10.1618 90 100.222 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 .87 .033 .031 .031 .036 0 .005 0 NaA 0 .5 0 .06 .033 .031 .031 .036 0 .005 0 MgM1 0 0 .5 .5 .011 .010 .009 .015 0 .004 0 Fe2+M1 0 0 .5 .37 .011 .010 .009 .015 0 .004 0 TiM1 0 0 .5 .13 .011 .010 .009 .015 0 .004 0 MgM2 0 .3390 .5 .5 .012 .008 .015 .013 0 .001 0 Fe2+M2 0 .3390 .5 .37 .012 .008 .015 .013 0 .001 0 TiM2 0 .3390 .5 .13 .012 .008 .015 .013 0 .001 0 AlT .0742 .1672 .2241 .27 .009 .009 .009 .010 0 .002 0 SiT .0742 .1672 .2241 .73 .009 .009 .009 .010 0 .002 0 O1 .3187 .2361 .1662 .019 .017 .026 .014 -.007 .004 -.002 O2 .0265 0 .1680 .019 .028 .012 .014 0 .001 0 O3 .1309 .1692 .3905 .010 .011 .011 .009 0 .002 0 O4 .1307 .5 .3992 .011 .009 .014 .011 0 .002 0