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 CELL PARAMETERS: 5.3341 9.2403 20.0850 90.000 95.151 90.000 SPACE GROUP: C2/c X-RAY WAVELENGTH: 1.541838 Cell Volume: 985.965 Density (g/cm3): 3.086 MAX. ABS. INTENSITY / VOLUME**2: 18.25325170 RIR: 1.926 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 8.84 100.00 10.0019 0 0 2 2 17.74 1.04 5.0010 0 0 4 2 19.27 6.48 4.6056 1 1 0 4 19.44 1.93 4.5666 -1 1 1 4 19.72 3.41 4.5016 0 2 1 4 21.86 1.40 4.0649 1 1 2 4 22.59 1.55 3.9355 -1 1 3 4 23.42 8.63 3.7976 0 2 3 4 24.33 4.30 3.6587 1 1 3 4 25.25 16.47 3.5274 -1 1 4 4 26.26 5.88 3.3936 0 2 4 4 26.74 31.50 3.3340 0 0 6 2 27.33 17.87 3.2636 1 1 4 4 28.39 5.40 3.1439 -1 1 5 4 29.54 13.62 3.0244 0 2 5 4 30.72 3.49 2.9103 1 1 5 4 31.89 7.33 2.8064 -1 1 6 4 33.14 1.63 2.7036 0 2 6 4 33.73 1.64 2.6570 -1 3 1 4 34.14 17.60 2.6265 -2 0 2 2 34.15 35.23 2.6259 1 3 1 4 34.41 3.05 2.6060 1 1 6 4 35.91 4.45 2.5005 0 0 8 2 36.86 11.83 2.4383 -2 0 4 2 36.89 23.96 2.4369 1 3 3 4 36.99 1.06 2.4304 0 2 7 4 39.02 1.60 2.3082 -2 2 1 4 39.26 1.93 2.2948 0 4 1 4 39.75 2.42 2.2677 2 2 1 4 39.79 5.50 2.2653 -1 3 5 4 39.83 2.76 2.2632 2 0 4 2 40.43 2.27 2.2309 -2 2 3 4 41.36 1.48 2.1828 0 4 3 4 41.52 8.42 2.1749 -2 0 6 2 41.56 16.80 2.1731 1 3 5 4 45.34 2.83 2.0004 0 0 10 2 45.48 8.22 1.9942 -1 3 7 4 45.53 4.05 1.9922 2 0 6 2 47.66 1.87 1.9082 -2 0 8 2 47.70 3.69 1.9065 1 3 7 4 54.33 1.23 1.6885 3 1 2 4 54.92 6.95 1.6717 -2 0 10 2 54.98 14.03 1.6702 1 3 9 4 55.09 1.21 1.6670 0 0 12 2 55.22 1.66 1.6633 -1 5 4 4 56.32 1.49 1.6337 -2 4 5 4 56.34 1.18 1.6331 1 5 4 4 57.57 1.34 1.6010 -3 1 6 4 57.63 1.16 1.5995 3 1 4 4 60.08 7.00 1.5401 0 6 0 2 60.08 13.91 1.5399 -3 3 1 4 60.31 7.78 1.5346 -1 3 11 4 60.37 3.89 1.5332 2 0 10 2 60.86 2.54 1.5222 -3 3 3 4 60.86 2.55 1.5221 0 6 2 4 60.88 2.50 1.5217 3 3 1 4 63.19 1.64 1.4715 1 3 11 4 65.30 1.21 1.4288 0 0 14 2 69.10 6.91 1.3593 -1 3 13 4 69.17 3.42 1.3581 2 0 12 2 70.71 1.11 1.3323 2 6 0 4 70.94 4.69 1.3285 -2 6 2 4 70.96 2.36 1.3281 4 0 0 2 71.98 2.20 1.3118 -3 3 9 4 72.02 2.19 1.3113 0 6 8 4 72.06 2.17 1.3105 3 3 7 4 72.61 3.30 1.3021 -2 6 4 4 72.65 1.61 1.3014 4 0 2 2 74.49 1.06 1.2738 -4 0 6 2 74.53 2.12 1.2732 2 6 4 4 80.07 1.05 1.1984 -2 6 8 4 85.78 3.45 1.1327 -2 6 10 4 85.88 1.70 1.1316 4 0 8 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.