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(2) Note: 1M polytype _database_code_amcsd 0004297 5.3403 9.2485 10.1867 90 100.132 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 .034 .033 .033 .037 0 .006 0 NaA 0 .5 0 .06 .034 .033 .033 .037 0 .006 0 MgM1 0 0 .5 .48 .013 .012 .011 .017 0 .004 0 Fe2+M1 0 0 .5 .38 .013 .012 .011 .017 0 .004 0 TiM1 0 0 .5 .1 .013 .012 .011 .017 0 .004 0 AlM1 0 0 .5 .04 .013 .012 .011 .017 0 .004 0 MgM2 0 .3377 .5 .48 .014 .010 .017 .015 0 .002 0 Fe2+M2 0 .3377 .5 .38 .014 .010 .017 .015 0 .002 0 TiM2 0 .3377 .5 .1 .014 .010 .017 .015 0 .002 0 AlM2 0 .3377 .5 .04 .014 .010 .017 .015 0 .002 0 AlT .0746 .1671 .2244 .3 .011 .010 .010 .012 0 .002 0 SiT .0746 .1671 .2244 .7 .011 .010 .010 .012 0 .002 0 O1 .32378 .2313 .1668 .021 .020 .027 .017 -.007 .005 -.003 O2 .0183 0 .1685 .021 .030 .015 .016 0 0 0 O3 .1310 .1685 .3910 .013 .013 .013 .012 0 .002 0 O4 .1314 .5 .3994 .014 .012 .014 .016 0 .002 0