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: MS10 Note: 1M polytype _database_code_amcsd 0004303 5.3408 9.2497 10.1633 90 100.205 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 .031 .029 .029 .035 0 .006 0 NaA 0 .5 0 .06 .031 .029 .029 .035 0 .006 0 MgM1 0 0 .5 .5 .010 .009 .008 .014 0 .004 0 Fe2+M1 0 0 .5 .38 .010 .009 .008 .014 0 .004 0 TiM1 0 0 .5 .12 .010 .009 .008 .014 0 .004 0 MgM2 0 .3394 .5 .5 .007 .003 .011 .008 0 0 0 Fe2+M2 0 .3394 .5 .38 .007 .003 .011 .008 0 0 0 TiM2 0 .3394 .5 .12 .007 .003 .011 .008 0 0 0 AlT .0743 .1672 .2238 .28 .008 .008 .008 .010 0 .002 0 SiT .0743 .1672 .2238 .72 .008 .008 .008 .010 0 .002 0 O1 .3194 .2350 .1657 .020 .018 .026 .015 -.007 .004 -.003 O2 .0250 0 .1676 .020 .031 .014 .015 0 .001 0 O3 .1310 .1692 .3905 .012 .012 .012 .011 0 .002 -.001 O4 .1310 .5 .3990 .014 .012 .016 .014 0 .003 0