Annite 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: MS8(2) Note: 1M polytype _database_code_amcsd 0004301 CELL PARAMETERS: 5.3213 9.2034 10.1048 90.000 99.954 90.000 SPACE GROUP: C2/m X-RAY WAVELENGTH: 1.541838 Cell Volume: 487.424 Density (g/cm3): 2.836 MAX. ABS. INTENSITY / VOLUME**2: 5.050596089 RIR: 0.580 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 8.88 100.00 9.9527 0 0 1 2 17.82 2.36 4.9763 0 0 2 2 19.29 17.28 4.6017 0 2 0 2 19.49 24.00 4.5544 1 1 0 4 20.19 7.16 4.3990 -1 1 1 4 22.66 19.00 3.9244 1 1 1 4 24.43 61.59 3.6433 -1 1 2 4 26.38 88.02 3.3786 0 2 2 4 26.87 76.37 3.3176 0 0 3 2 28.48 80.81 3.1335 1 1 2 4 30.87 49.25 2.8966 -1 1 3 4 33.29 22.10 2.6911 0 2 3 4 33.83 10.49 2.6495 -2 0 1 2 33.86 22.41 2.6476 1 3 0 4 34.22 43.01 2.6206 2 0 0 2 34.28 84.21 2.6160 -1 3 1 4 35.80 9.03 2.5083 1 1 3 4 35.85 6.06 2.5049 1 3 1 4 35.86 3.53 2.5040 -2 0 2 2 36.10 5.52 2.4882 0 0 4 2 36.95 22.38 2.4328 2 0 1 2 37.04 44.54 2.4269 -1 3 2 4 38.54 2.63 2.3362 -1 1 4 4 39.15 3.81 2.3008 0 4 0 2 39.24 6.75 2.2961 -2 2 1 4 39.58 10.03 2.2772 2 2 0 4 39.94 7.95 2.2571 1 3 2 4 39.99 4.11 2.2547 -2 0 3 2 40.23 10.67 2.2417 0 4 1 4 41.04 10.29 2.1995 -2 2 2 4 41.25 1.01 2.1887 0 2 4 4 41.63 18.02 2.1693 2 0 2 2 41.75 36.53 2.1635 -1 3 3 4 42.01 5.99 2.1507 2 2 1 4 43.33 2.32 2.0884 0 4 2 4 45.57 18.09 1.9905 0 0 5 2 45.67 13.56 1.9865 1 3 3 4 45.74 7.79 1.9837 -2 0 4 2 47.80 3.19 1.9027 2 0 3 2 47.94 6.09 1.8977 -1 3 4 4 52.01 2.53 1.7583 2 2 3 4 52.54 1.66 1.7417 -3 1 1 4 52.63 4.27 1.7390 1 3 4 4 52.71 2.38 1.7367 1 5 0 4 52.72 2.26 1.7363 -2 0 5 2 53.43 1.03 1.7149 -3 1 2 4 54.12 5.90 1.6945 1 5 1 4 54.30 2.37 1.6893 0 4 4 4 54.93 7.70 1.6716 2 4 1 4 54.99 1.15 1.6697 -1 5 2 4 55.12 19.17 1.6663 2 0 4 2 55.26 35.81 1.6623 -1 3 5 4 55.39 2.01 1.6588 0 0 6 2 55.88 3.81 1.6453 3 1 1 4 55.98 8.32 1.6426 -3 1 3 4 57.17 6.08 1.6112 1 5 2 4 57.20 6.16 1.6104 -2 4 3 4 58.47 4.99 1.5784 2 4 2 4 58.56 5.70 1.5762 -1 5 3 4 59.92 2.87 1.5438 3 1 2 4 60.06 2.97 1.5404 -3 1 4 4 60.27 40.06 1.5356 -3 3 1 4 60.34 19.32 1.5339 0 6 0 2 60.59 21.20 1.5282 1 3 5 4 60.69 10.58 1.5258 -2 0 6 2 61.04 3.79 1.5181 3 3 0 4 61.08 4.20 1.5171 -3 3 2 4 61.13 3.75 1.5160 0 6 1 4 61.69 1.69 1.5036 1 5 3 4 62.39 1.44 1.4884 1 1 6 4 63.37 1.15 1.4676 2 0 5 2 63.53 2.47 1.4644 -1 3 6 4 64.32 1.22 1.4483 -2 2 6 4 65.67 2.15 1.4218 0 0 7 2 65.80 2.08 1.4192 -1 1 7 4 66.92 1.72 1.3982 2 2 5 4 67.11 1.44 1.3948 3 3 2 4 67.24 1.14 1.3923 0 6 3 4 67.24 1.17 1.3923 -3 3 4 4 69.15 1.64 1.3584 0 2 7 4 69.44 16.81 1.3535 1 3 6 4 69.56 8.85 1.3515 -2 0 7 2 69.91 2.82 1.3456 0 4 6 4 70.90 3.25 1.3292 -4 0 1 2 71.00 6.59 1.3275 -2 6 1 4 71.17 5.69 1.3248 -4 0 2 2 71.23 11.52 1.3238 2 6 0 4 72.22 4.56 1.3081 3 3 3 4 72.37 4.55 1.3057 0 6 4 4 72.40 4.61 1.3054 -3 3 5 4 72.57 1.27 1.3027 1 1 7 4 72.89 3.85 1.2977 -4 0 3 2 72.90 6.57 1.2975 2 6 1 4 72.96 4.16 1.2967 -2 2 7 4 74.68 2.21 1.2710 4 0 1 2 74.87 4.15 1.2682 -2 6 3 4 75.43 1.54 1.2602 4 2 0 4 75.86 5.15 1.2541 2 2 6 4 76.30 3.14 1.2480 -1 7 2 4 76.58 1.80 1.2441 0 0 8 2 77.05 1.48 1.2377 3 5 1 4 77.14 4.41 1.2366 -3 5 3 4 77.99 2.96 1.2251 4 2 1 4 78.15 1.97 1.2230 1 7 2 4 78.59 2.15 1.2172 3 3 4 4 78.77 2.30 1.2150 0 6 5 4 78.81 2.00 1.2144 -3 3 6 4 79.19 3.34 1.2095 0 4 7 4 79.30 1.57 1.2081 -4 2 4 4 79.35 1.75 1.2075 -1 7 3 4 80.42 1.92 1.1942 2 6 3 4 82.60 1.38 1.1681 -2 2 8 4 85.81 1.31 1.1324 -1 5 7 4 86.17 9.11 1.1285 2 6 4 4 86.29 4.66 1.1274 -4 0 6 2 86.91 1.26 1.1209 0 8 2 4 88.99 1.30 1.1000 -3 1 8 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.