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: MS4 Note: 2M_1 polytype _database_code_amcsd 0004293 CELL PARAMETERS: 5.3368 9.2377 20.0860 90.000 95.128 90.000 SPACE GROUP: C2/c X-RAY WAVELENGTH: 1.541838 Cell Volume: 986.272 Density (g/cm3): 3.075 MAX. ABS. INTENSITY / VOLUME**2: 18.76914341 RIR: 1.988 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 8.84 100.00 10.0028 0 0 2 2 19.22 1.02 4.6189 0 2 0 2 19.27 6.70 4.6072 1 1 0 4 19.43 2.02 4.5677 -1 1 1 4 19.73 3.64 4.5005 0 2 1 4 21.86 1.09 4.0666 1 1 2 4 22.59 1.39 3.9358 -1 1 3 4 23.43 8.02 3.7970 0 2 3 4 24.32 3.99 3.6602 1 1 3 4 25.25 15.61 3.5275 -1 1 4 4 26.26 5.67 3.3932 0 2 4 4 26.74 31.29 3.3343 0 0 6 2 27.32 17.08 3.2649 1 1 4 4 28.39 5.12 3.1439 -1 1 5 4 29.54 12.84 3.0242 0 2 5 4 30.71 3.24 2.9113 1 1 5 4 31.89 6.77 2.8063 -1 1 6 4 33.14 1.51 2.7035 0 2 6 4 33.74 1.56 2.6567 -1 3 1 4 34.12 16.70 2.6275 -2 0 2 2 34.15 33.38 2.6258 1 3 1 4 34.40 2.75 2.6069 1 1 6 4 35.91 4.11 2.5007 0 0 8 2 36.85 11.69 2.4390 -2 0 4 2 36.88 23.39 2.4369 1 3 3 4 39.01 1.41 2.3089 -2 2 1 4 39.27 1.75 2.2942 0 4 1 4 39.73 2.24 2.2686 2 2 1 4 39.80 5.53 2.2650 -1 3 5 4 39.81 2.72 2.2646 2 0 4 2 40.42 2.19 2.2313 -2 2 3 4 41.37 1.40 2.1823 0 4 3 4 41.51 7.85 2.1752 -2 0 6 2 41.55 15.60 2.1732 1 3 5 4 45.33 2.68 2.0006 0 0 10 2 45.49 7.57 1.9939 -1 3 7 4 45.51 3.68 1.9933 2 0 6 2 47.65 1.79 1.9084 -2 0 8 2 47.70 3.57 1.9067 1 3 7 4 54.30 1.18 1.6895 3 1 2 4 54.92 6.67 1.6718 -2 0 10 2 54.97 13.53 1.6704 1 3 9 4 55.09 1.06 1.6671 0 0 12 2 55.24 1.58 1.6630 -1 5 4 4 56.32 1.38 1.6336 -2 4 5 4 56.34 1.11 1.6329 1 5 4 4 57.55 1.29 1.6014 -3 1 6 4 57.59 1.07 1.6004 3 1 4 4 60.06 13.24 1.5404 -3 3 1 4 60.10 6.66 1.5396 0 6 0 2 60.32 7.35 1.5345 -1 3 11 4 60.35 3.64 1.5338 2 0 10 2 60.84 2.41 1.5226 -3 3 3 4 60.85 2.41 1.5222 3 3 1 4 60.88 2.42 1.5217 0 6 2 4 63.18 1.59 1.4717 1 3 11 4 65.30 1.14 1.4290 0 0 14 2 69.11 6.65 1.3592 -1 3 13 4 69.14 3.28 1.3587 2 0 12 2 70.71 1.10 1.3322 2 6 0 4 70.92 2.20 1.3289 4 0 0 2 70.95 4.39 1.3284 -2 6 2 4 71.98 2.06 1.3119 -3 3 9 4 72.03 2.06 1.3111 3 3 7 4 72.03 2.05 1.3111 0 6 8 4 72.60 1.53 1.3022 4 0 2 2 72.62 3.16 1.3019 -2 6 4 4 74.46 1.02 1.2742 -4 0 6 2 74.53 2.04 1.2732 2 6 4 4 85.80 3.23 1.1325 -2 6 10 4 85.82 1.60 1.1323 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.