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: MS1 Note: 2M_1 polytype _database_code_amcsd 0004291 CELL PARAMETERS: 5.3332 9.2376 20.0690 90.000 95.125 90.000 SPACE GROUP: C2/c X-RAY WAVELENGTH: 1.541838 Cell Volume: 984.766 Density (g/cm3): 3.089 MAX. ABS. INTENSITY / VOLUME**2: 18.16902061 RIR: 1.915 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 8.85 100.00 9.9944 0 0 2 2 17.75 1.16 4.9972 0 0 4 2 19.28 6.46 4.6048 1 1 0 4 19.44 1.94 4.5653 -1 1 1 4 19.73 3.39 4.5002 0 2 1 4 21.87 1.37 4.0644 1 1 2 4 22.61 1.52 3.9333 -1 1 3 4 23.44 8.62 3.7959 0 2 3 4 24.33 4.29 3.6580 1 1 3 4 25.26 16.44 3.5251 -1 1 4 4 26.27 5.98 3.3919 0 2 4 4 26.76 31.84 3.3315 0 0 6 2 27.33 17.98 3.2628 1 1 4 4 28.41 5.43 3.1417 -1 1 5 4 29.55 13.60 3.0227 0 2 5 4 30.73 3.48 2.9094 1 1 5 4 31.91 7.30 2.8042 -1 1 6 4 33.16 1.65 2.7020 0 2 6 4 33.74 1.70 2.6563 -1 3 1 4 34.15 17.70 2.6257 -2 0 2 2 34.15 35.37 2.6253 1 3 1 4 34.43 3.01 2.6050 1 1 6 4 35.94 4.45 2.4986 0 0 8 2 36.88 11.85 2.4372 -2 0 4 2 36.90 23.83 2.4363 1 3 3 4 37.01 1.06 2.4288 0 2 7 4 39.03 1.54 2.3077 -2 2 1 4 39.27 1.85 2.2941 0 4 1 4 39.75 2.38 2.2674 2 2 1 4 39.81 5.67 2.2642 -1 3 5 4 39.83 2.78 2.2630 2 0 4 2 40.45 2.32 2.2301 -2 2 3 4 41.38 1.51 2.1820 0 4 3 4 41.55 8.28 2.1735 -2 0 6 2 41.57 16.46 2.1724 1 3 5 4 45.37 2.80 1.9989 0 0 10 2 45.51 8.04 1.9930 -1 3 7 4 45.54 3.95 1.9918 2 0 6 2 47.69 1.84 1.9069 -2 0 8 2 47.72 3.67 1.9058 1 3 7 4 54.34 1.26 1.6884 3 1 2 4 54.97 7.00 1.6704 -2 0 10 2 55.00 14.19 1.6695 1 3 9 4 55.14 1.15 1.6657 0 0 12 2 55.25 1.65 1.6627 -1 5 4 4 56.34 1.47 1.6330 -2 4 5 4 56.36 1.17 1.6326 1 5 4 4 57.60 1.35 1.6003 -3 1 6 4 57.63 1.13 1.5994 3 1 4 4 60.10 6.99 1.5396 0 6 0 2 60.10 13.93 1.5396 -3 3 1 4 60.36 7.78 1.5335 -1 3 11 4 60.40 3.85 1.5327 2 0 10 2 60.87 2.45 1.5218 -3 3 3 4 60.88 2.49 1.5217 0 6 2 4 60.89 2.46 1.5215 3 3 1 4 63.22 1.62 1.4708 1 3 11 4 65.36 1.20 1.4278 0 0 14 2 69.16 6.81 1.3583 -1 3 13 4 69.20 3.38 1.3576 2 0 12 2 70.73 1.10 1.3320 2 6 0 4 70.97 4.64 1.3281 -2 6 2 4 70.97 2.31 1.3280 4 0 0 2 72.03 2.20 1.3111 -3 3 9 4 72.05 2.21 1.3107 0 6 8 4 72.08 2.21 1.3103 3 3 7 4 72.64 3.25 1.3016 -2 6 4 4 72.66 1.58 1.3013 4 0 2 2 74.52 1.06 1.2733 -4 0 6 2 74.55 2.12 1.2729 2 6 4 4 85.84 3.42 1.1321 -2 6 10 4 85.89 1.69 1.1315 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.