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: MS7 Note: 1M polytype _database_code_amcsd 0004299 CELL PARAMETERS: 5.3207 9.2099 10.1034 90.000 99.959 90.000 SPACE GROUP: C2/m X-RAY WAVELENGTH: 1.541838 Cell Volume: 487.638 Density (g/cm3): 2.925 MAX. ABS. INTENSITY / VOLUME**2: 7.981574625 RIR: 0.888 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 8.89 100.00 9.9512 0 0 1 2 19.27 12.51 4.6049 0 2 0 2 19.49 10.69 4.5548 1 1 0 4 20.18 7.13 4.3994 -1 1 1 4 22.66 9.10 3.9244 1 1 1 4 24.43 45.06 3.6435 -1 1 2 4 26.37 53.44 3.3796 0 2 2 4 26.88 56.78 3.3171 0 0 3 2 28.49 57.28 3.1333 1 1 2 4 30.87 28.10 2.8965 -1 1 3 4 33.29 15.54 2.6915 0 2 3 4 33.84 4.92 2.6492 -2 0 1 2 33.84 10.62 2.6489 1 3 0 4 34.22 31.68 2.6203 2 0 0 2 34.26 61.92 2.6173 -1 3 1 4 35.80 4.63 2.5080 1 1 3 4 35.83 2.09 2.5059 1 3 1 4 35.87 1.22 2.5038 -2 0 2 2 36.10 5.05 2.4878 0 0 4 2 36.96 16.82 2.4324 2 0 1 2 37.03 33.37 2.4279 -1 3 2 4 38.54 2.50 2.3361 -1 1 4 4 39.12 1.90 2.3025 0 4 0 2 39.23 5.08 2.2963 -2 2 1 4 39.57 5.86 2.2774 2 2 0 4 39.93 6.88 2.2578 1 3 2 4 39.99 3.56 2.2545 -2 0 3 2 40.20 8.65 2.2432 0 4 1 4 41.03 6.06 2.1997 -2 2 2 4 41.64 13.60 2.1689 2 0 2 2 41.74 27.51 2.1642 -1 3 3 4 42.01 4.45 2.1508 2 2 1 4 45.58 10.18 1.9902 0 0 5 2 45.66 10.75 1.9869 1 3 3 4 45.74 6.05 1.9836 -2 0 4 2 47.81 2.73 1.9023 2 0 3 2 47.93 5.17 1.8981 -1 3 4 4 52.01 1.36 1.7582 2 2 3 4 52.55 1.39 1.7416 -3 1 1 4 52.63 2.06 1.7391 1 3 4 4 52.67 1.47 1.7378 1 5 0 4 52.73 1.06 1.7361 -2 0 5 2 54.09 3.78 1.6955 1 5 1 4 54.29 2.00 1.6898 0 4 4 4 54.91 5.90 1.6721 2 4 1 4 55.13 13.67 1.6660 2 0 4 2 55.25 25.66 1.6625 -1 3 5 4 55.40 1.73 1.6585 0 0 6 2 55.89 2.09 1.6451 3 1 1 4 55.99 4.79 1.6425 -3 1 3 4 57.14 4.12 1.6121 1 5 2 4 57.18 4.79 1.6109 -2 4 3 4 58.46 2.66 1.5788 2 4 2 4 58.53 3.65 1.5769 -1 5 3 4 59.92 2.26 1.5436 3 1 2 4 60.07 2.35 1.5403 -3 1 4 4 60.26 27.94 1.5357 -3 3 1 4 60.30 13.48 1.5350 0 6 0 2 60.59 15.22 1.5283 1 3 5 4 60.70 7.61 1.5257 -2 0 6 2 61.03 3.07 1.5183 3 3 0 4 61.08 3.37 1.5172 -3 3 2 4 61.08 2.96 1.5170 0 6 1 4 61.66 1.07 1.5043 1 5 3 4 62.40 1.19 1.4882 1 1 6 4 63.53 2.06 1.4645 -1 3 6 4 65.68 1.62 1.4216 0 0 7 2 65.81 1.12 1.4191 -1 1 7 4 66.93 1.29 1.3981 2 2 5 4 67.11 1.22 1.3948 3 3 2 4 67.24 1.01 1.3924 -3 3 4 4 69.16 1.26 1.3583 0 2 7 4 69.44 11.85 1.3535 1 3 6 4 69.57 6.20 1.3513 -2 0 7 2 69.90 1.53 1.3457 0 4 6 4 70.91 1.88 1.3290 -4 0 1 2 70.96 3.89 1.3281 -2 6 1 4 71.18 4.15 1.3246 -4 0 2 2 71.19 8.29 1.3245 2 6 0 4 72.22 3.47 1.3081 3 3 3 4 72.33 3.39 1.3063 0 6 4 4 72.39 3.51 1.3054 -3 3 5 4 72.86 4.73 1.2981 2 6 1 4 72.90 2.80 1.2976 -4 0 3 2 72.96 3.01 1.2967 -2 2 7 4 74.69 1.64 1.2708 4 0 1 2 74.83 3.04 1.2688 -2 6 3 4 75.87 3.24 1.2540 2 2 6 4 76.24 2.47 1.2488 -1 7 2 4 76.60 1.35 1.2439 0 0 8 2 77.11 2.85 1.2369 -3 5 3 4 78.00 2.13 1.2250 4 2 1 4 78.09 1.63 1.2238 1 7 2 4 78.60 1.18 1.2172 3 3 4 4 78.73 1.30 1.2155 0 6 5 4 78.81 1.10 1.2145 -3 3 6 4 79.19 2.57 1.2096 0 4 7 4 80.38 1.50 1.1946 2 6 3 4 86.14 6.50 1.1289 2 6 4 4 86.30 3.37 1.1273 -4 0 6 2 89.00 1.02 1.0999 -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.