Fluor-uvite Grice J D, Ercit T S Neues Jahrbuch fur Mineralogie, Abhandlungen 165 (1993) 245-266 Ordering of Fe and Mg in the tourmaline crystal structure: The correct formula Sample: Uvite 52210 Locality: Gouverneur, St. Lawrence Co., New York, USA _database_code_amcsd 0018793 CELL PARAMETERS: 15.9730 15.9730 7.2130 90.000 90.000 120.000 SPACE GROUP: R3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 1593.747 Density (g/cm3): 3.027 MAX. ABS. INTENSITY / VOLUME**2: 7.025427104 RIR: 0.756 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 11.08 1.24 7.9865 1 1 0 6 13.85 11.17 6.3957 1 0 1 3 17.77 22.98 4.9922 0 2 1 3 19.25 19.37 4.6110 3 0 0 3 20.99 57.46 4.2332 2 1 1 6 22.26 67.31 3.9932 2 2 0 6 25.52 44.06 3.4898 0 1 2 3 26.31 14.53 3.3872 1 3 1 6 28.63 3.70 3.1184 4 0 1 3 29.59 18.24 3.0186 4 1 0 6 30.10 79.27 2.9687 1 2 2 6 30.78 8.12 2.9048 3 2 1 6 34.12 7.30 2.6278 3 1 2 6 34.73 100.00 2.5831 0 5 1 3 35.98 2.26 2.4961 0 4 2 3 36.56 2.61 2.4578 2 4 1 6 37.40 8.82 2.4043 0 0 3 1 37.76 12.60 2.3825 2 3 2 6 38.32 20.66 2.3490 5 1 1 6 39.07 3.54 2.3055 6 0 0 3 39.13 1.04 2.3023 1 1 3 6 41.12 9.70 2.1951 5 0 2 3 41.64 13.53 2.1689 4 3 1 6 42.40 5.49 2.1319 0 3 3 3 42.40 6.41 2.1319 3 0 3 3 42.72 9.44 2.1166 4 2 2 6 43.96 15.33 2.0598 2 2 3 6 44.27 40.45 2.0460 1 5 2 6 44.76 6.06 2.0247 1 6 1 6 45.43 5.15 1.9966 4 4 0 6 47.25 35.32 1.9236 3 4 2 6 47.72 1.14 1.9059 3 5 1 6 48.40 3.84 1.8807 1 4 3 6 49.15 7.30 1.8539 6 2 1 6 50.10 1.38 1.8209 6 1 2 6 51.08 3.31 1.7881 1 0 4 3 51.20 3.75 1.7843 3 3 3 6 52.44 1.63 1.7449 0 2 4 3 52.83 1.25 1.7330 0 7 2 3 53.26 1.05 1.7200 5 4 1 6 54.15 3.21 1.6936 2 6 2 6 55.20 14.81 1.6641 0 6 3 3 55.20 4.82 1.6641 6 0 3 3 55.88 16.42 1.6454 2 7 1 6 57.65 3.00 1.5989 4 0 4 3 57.72 19.58 1.5973 5 5 0 6 58.01 3.51 1.5898 4 5 2 6 58.42 2.25 1.5797 8 1 1 6 58.91 2.74 1.5678 3 2 4 6 59.66 3.49 1.5497 4 6 1 6 60.21 4.89 1.5370 9 0 0 3 60.50 7.29 1.5303 7 2 2 6 60.89 1.18 1.5213 7 3 1 6 61.37 15.95 1.5107 0 5 4 3 61.43 3.84 1.5093 8 2 0 6 62.58 3.60 1.4844 2 4 4 6 62.92 1.96 1.4770 1 8 2 6 63.78 18.67 1.4594 5 1 4 6 63.88 4.49 1.4573 1 7 3 6 63.88 1.04 1.4573 7 1 3 6 64.12 4.59 1.4524 6 4 2 6 65.00 4.25 1.4348 0 1 5 3 65.02 4.86 1.4344 7 4 0 6 65.68 5.28 1.4217 6 5 1 6 65.68 1.86 1.4217 1 9 1 6 66.13 11.28 1.4130 4 3 4 6 66.23 1.30 1.4111 3 6 3 6 66.23 4.93 1.4111 6 3 3 6 68.00 1.37 1.3786 3 8 1 6 69.15 10.54 1.3585 10 0 1 3 69.92 2.49 1.3454 5 6 2 6 70.73 2.65 1.3320 3 5 4 6 70.76 3.67 1.3314 0 4 5 3 70.78 3.66 1.3311 6 6 0 6 70.82 3.78 1.3305 5 5 3 6 71.85 1.40 1.3139 6 2 4 6 71.89 1.61 1.3133 2 3 5 6 71.91 12.58 1.3130 10 1 0 6 72.18 2.83 1.3088 8 3 2 6 72.54 1.35 1.3032 5 7 1 6 73.30 1.24 1.2916 0 10 2 3 73.65 2.29 1.2862 8 4 1 6 74.12 11.21 1.2791 5 0 5 3 74.14 4.40 1.2789 9 3 0 6 74.18 2.78 1.2783 2 8 3 6 75.19 4.30 1.2636 5 4 4 6 76.33 1.31 1.2475 1 5 5 6 76.61 1.28 1.2437 7 5 2 6 76.97 4.47 1.2389 0 11 1 3 77.71 2.40 1.2289 4 8 2 6 78.06 1.28 1.2242 2 10 1 6 78.52 2.41 1.2182 3 4 5 6 79.77 2.08 1.2022 0 0 6 1 81.32 3.00 1.1832 11 1 1 6 83.01 1.32 1.1633 3 0 6 3 83.98 5.19 1.1523 10 1 3 6 86.03 1.18 1.1300 1 9 4 6 86.03 1.53 1.1300 6 5 4 6 86.12 2.52 1.1291 9 3 3 6 89.24 2.30 1.0976 10 0 4 3 89.27 1.11 1.0972 7 2 5 6 89.44 1.59 1.0956 3 3 6 6 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.