Montebrasite Groat L A, Chakoumakos B C, Brouwer D H, Hoffman C M, Fyfe C A, Morell H, Schultz A J American Mineralogist 88 (2003) 195-210 The amblygonite (LiAlPO4F) - montebrasite (LiAlPO4OH) solid solution: A combined powder and single-crystal neutron diffraction and solid-state Li MAS, CP MAS, and REDOR NMR study Sample: from Dunton Gem Min, Oxford County, Maine at T = 75 K _database_code_amcsd 0002957 CELL PARAMETERS: 6.7129 7.7095 7.0231 91.359 117.960 91.781 SPACE GROUP: C-1 X-RAY WAVELENGTH: 1.541838 Cell Volume: 320.585 Density (g/cm3): 3.025 MAX. ABS. INTENSITY / VOLUME**2: 5.569105608 RIR: 0.600 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 14.29 8.15 6.1975 0 0 1 2 18.46 7.68 4.8065 -1 1 0 2 18.94 30.17 4.6864 -1 1 1 2 19.05 73.35 4.6580 -1 -1 1 2 19.34 19.89 4.5894 1 1 0 2 23.11 8.75 3.8493 0 2 0 2 26.57 5.75 3.3547 -2 0 1 2 26.73 50.84 3.3354 0 -2 1 2 27.21 47.58 3.2772 1 -1 1 2 27.75 62.17 3.2146 -1 -1 2 2 27.81 46.72 3.2081 0 2 1 2 28.20 100.00 3.1647 -1 1 2 2 28.36 29.00 3.1475 1 1 1 2 28.81 3.65 3.0987 0 0 2 2 30.18 89.61 2.9613 2 0 0 2 30.41 6.91 2.9393 -2 0 2 2 34.93 13.04 2.5683 -2 2 1 2 36.05 24.52 2.4915 -2 -2 1 2 36.43 9.07 2.4666 0 -2 2 2 37.42 1.24 2.4033 -2 2 0 2 37.52 38.40 2.3968 -1 3 0 2 38.06 6.83 2.3642 0 2 2 2 38.42 6.39 2.3432 -2 2 2 2 38.66 1.26 2.3290 -2 -2 2 2 38.91 3.17 2.3146 1 3 0 2 39.26 8.09 2.2947 2 2 0 2 39.41 12.31 2.2864 2 0 1 2 39.78 6.98 2.2662 -2 0 3 2 40.99 11.52 2.2020 -1 1 3 2 42.42 25.60 2.1307 1 -3 1 2 43.06 10.48 2.1007 -3 -1 2 2 44.18 4.46 2.0502 -1 3 2 2 44.74 4.08 2.0255 1 3 1 2 45.03 1.29 2.0131 2 -2 1 2 46.26 27.53 1.9624 -2 -2 3 2 46.74 4.20 1.9436 -2 2 3 2 46.97 4.17 1.9347 -3 1 0 2 47.23 6.86 1.9246 0 4 0 2 47.30 1.85 1.9217 2 2 1 2 47.83 1.51 1.9018 -3 1 3 2 48.13 17.12 1.8907 3 1 0 2 50.24 2.05 1.8159 0 4 1 2 51.08 14.27 1.7882 0 2 3 2 51.58 1.50 1.7719 1 -3 2 2 52.21 18.82 1.7521 -2 0 4 2 54.10 3.60 1.6953 -1 3 3 2 54.35 1.12 1.6880 -3 3 2 2 54.63 4.19 1.6799 -1 -1 4 2 54.72 4.10 1.6773 -4 0 2 2 55.07 12.26 1.6677 0 -4 2 2 55.49 1.37 1.6559 -1 1 4 2 55.67 1.06 1.6509 -3 -3 2 2 55.78 7.63 1.6480 3 -1 1 2 56.13 4.46 1.6386 2 -2 2 2 56.89 2.38 1.6185 -3 -1 4 2 57.03 16.20 1.6148 -2 4 2 2 57.11 2.94 1.6129 3 1 1 2 57.39 9.10 1.6055 -2 -4 2 2 57.45 7.17 1.6041 0 4 2 2 57.52 17.86 1.6022 -3 3 0 2 58.31 10.80 1.5823 -2 2 4 2 58.66 16.59 1.5738 2 2 2 2 59.14 2.16 1.5621 -3 3 3 2 59.68 1.98 1.5494 0 0 4 2 60.52 9.18 1.5298 3 3 0 2 60.92 11.90 1.5207 -4 -2 2 2 61.29 1.55 1.5124 2 -4 1 2 61.50 1.10 1.5078 -1 5 0 2 61.88 1.12 1.4994 -4 2 3 2 62.75 7.51 1.4806 4 0 0 2 63.08 3.39 1.4738 -4 -2 1 2 63.28 10.11 1.4696 -4 0 4 2 63.77 3.54 1.4594 0 -2 4 2 64.49 7.80 1.4449 -1 -3 4 2 64.75 2.87 1.4398 1 -5 1 2 64.75 4.60 1.4397 0 -4 3 2 65.73 9.08 1.4205 -1 -5 2 2 65.96 1.04 1.4162 0 2 4 2 66.58 4.32 1.4046 -4 2 0 2 66.81 4.64 1.4002 -1 3 4 2 66.88 7.31 1.3990 -1 5 2 2 67.16 3.80 1.3938 -3 -3 4 2 67.60 1.76 1.3859 -3 3 4 2 67.64 5.75 1.3850 3 -1 2 2 68.16 2.14 1.3759 -4 2 4 2 68.83 4.24 1.3641 -3 -1 5 2 69.10 1.57 1.3594 3 1 2 2 69.76 1.76 1.3482 2 -2 3 2 70.11 1.64 1.3423 1 -1 4 2 70.41 2.03 1.3372 2 -4 2 2 71.25 1.12 1.3236 -5 1 2 2 71.69 3.14 1.3164 1 -5 2 2 72.23 1.08 1.3080 -5 -1 2 2 72.34 2.31 1.3062 -2 2 5 2 72.53 3.00 1.3032 2 2 3 2 72.69 3.27 1.3007 -1 -5 3 2 72.97 5.87 1.2965 -4 0 5 2 73.71 5.20 1.2854 -3 5 1 2 73.79 11.45 1.2842 -4 4 2 2 73.86 1.44 1.2831 0 6 0 2 74.88 5.60 1.2681 2 4 2 2 75.07 2.44 1.2653 -1 5 3 2 75.57 4.03 1.2582 4 -2 1 2 75.96 5.38 1.2527 -5 -1 4 2 76.31 8.57 1.2479 -3 -5 2 2 76.46 2.66 1.2457 -4 -4 2 2 76.85 1.34 1.2404 -3 -5 1 2 77.82 1.27 1.2274 -4 2 5 2 77.89 1.31 1.2264 -4 -4 3 2 78.03 1.06 1.2246 -3 -3 5 2 78.34 4.79 1.2206 1 -3 4 2 78.67 4.86 1.2163 -4 -4 1 2 78.81 3.23 1.2144 -3 5 3 2 79.09 1.07 1.2109 -2 6 1 2 79.10 3.21 1.2107 -1 -3 5 2 80.05 1.11 1.1987 3 3 2 2 81.41 2.12 1.1821 0 4 4 2 81.97 3.10 1.1755 1 -5 3 2 82.16 3.38 1.1732 3 -1 3 2 82.22 4.12 1.1724 1 3 4 2 82.39 1.57 1.1705 -5 -3 3 2 82.77 1.88 1.1661 2 0 4 2 82.85 3.22 1.1652 0 2 5 2 82.85 1.52 1.1652 -5 3 1 2 83.54 1.95 1.1573 2 6 0 2 84.41 6.26 1.1475 -5 3 4 2 85.82 1.39 1.1323 2 -2 4 2 87.13 1.40 1.1186 1 5 3 2 88.08 1.49 1.1090 1 -1 5 2 88.95 1.14 1.1004 2 2 4 2 89.44 1.40 1.0956 -5 3 0 2 89.55 2.24 1.0945 2 6 1 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.