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 = 15 K _database_code_amcsd 0002956 CELL PARAMETERS: 6.7114 7.7048 7.0187 91.320 117.949 91.784 SPACE GROUP: C-1 X-RAY WAVELENGTH: 1.541838 Cell Volume: 320.159 Density (g/cm3): 3.028 MAX. ABS. INTENSITY / VOLUME**2: 5.555346937 RIR: 0.597 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 14.30 8.02 6.1944 0 0 1 2 18.47 7.79 4.8044 -1 1 0 2 18.94 30.13 4.6849 -1 1 1 2 19.07 73.47 4.6548 -1 -1 1 2 19.34 19.26 4.5887 1 1 0 2 23.12 8.94 3.8470 0 2 0 2 26.58 5.83 3.3539 -2 0 1 2 26.75 51.06 3.3323 0 -2 1 2 27.23 47.06 3.2755 1 -1 1 2 27.78 62.92 3.2119 -1 -1 2 2 27.82 46.65 3.2074 0 2 1 2 28.21 100.00 3.1635 -1 1 2 2 28.36 28.85 3.1473 1 1 1 2 28.83 3.72 3.0972 0 0 2 2 30.18 90.84 2.9610 2 0 0 2 30.43 7.05 2.9379 -2 0 2 2 34.95 12.92 2.5674 -2 2 1 2 36.06 24.52 2.4905 -2 -2 1 2 36.46 9.03 2.4644 0 -2 2 2 37.44 1.29 2.4022 -2 2 0 2 37.55 38.75 2.3953 -1 3 0 2 38.07 6.81 2.3638 0 2 2 2 38.43 6.36 2.3425 -2 2 2 2 38.69 1.22 2.3274 -2 -2 2 2 38.93 3.25 2.3137 1 3 0 2 39.27 8.19 2.2944 2 2 0 2 39.42 12.19 2.2861 2 0 1 2 39.80 6.93 2.2649 -2 0 3 2 41.00 11.60 2.2011 -1 1 3 2 42.46 25.44 2.1291 1 -3 1 2 43.08 10.83 2.0999 -3 -1 2 2 44.19 4.44 2.0496 -1 3 2 2 44.75 3.99 2.0251 1 3 1 2 45.06 1.21 2.0121 2 -2 1 2 46.31 27.72 1.9607 -2 -2 3 2 46.75 4.15 1.9429 -2 2 3 2 46.98 4.07 1.9343 -3 1 0 2 47.25 6.81 1.9235 0 4 0 2 47.31 1.84 1.9216 2 2 1 2 47.85 1.52 1.9011 -3 1 3 2 48.13 17.10 1.8906 3 1 0 2 50.26 2.11 1.8152 0 4 1 2 51.09 14.24 1.7879 0 2 3 2 51.63 1.58 1.7704 1 -3 2 2 52.24 18.98 1.7510 -2 0 4 2 54.11 3.62 1.6949 -1 3 3 2 54.37 1.18 1.6874 -3 3 2 2 54.68 4.05 1.6787 -1 -1 4 2 54.74 3.98 1.6770 -4 0 2 2 55.12 12.40 1.6662 0 -4 2 2 55.52 1.40 1.6552 -1 1 4 2 55.70 1.12 1.6501 -3 -3 2 2 55.80 7.60 1.6476 3 -1 1 2 56.16 4.38 1.6377 2 -2 2 2 56.93 2.30 1.6174 -3 -1 4 2 57.05 16.23 1.6142 -2 4 2 2 57.11 2.89 1.6128 3 1 1 2 57.44 9.27 1.6044 -2 -4 2 2 57.46 7.21 1.6037 0 4 2 2 57.55 18.09 1.6015 -3 3 0 2 58.34 10.67 1.5818 -2 2 4 2 58.67 16.80 1.5737 2 2 2 2 59.16 2.17 1.5616 -3 3 3 2 59.71 2.04 1.5486 0 0 4 2 60.53 9.32 1.5296 3 3 0 2 60.94 11.96 1.5203 -4 -2 2 2 61.34 1.47 1.5113 2 -4 1 2 61.54 1.11 1.5069 -1 5 0 2 61.90 1.12 1.4989 -4 2 3 2 62.76 7.66 1.4805 4 0 0 2 63.09 3.42 1.4736 -4 -2 1 2 63.31 10.25 1.4689 -4 0 4 2 63.83 3.59 1.4583 0 -2 4 2 64.56 7.89 1.4436 -1 -3 4 2 64.80 2.86 1.4387 1 -5 1 2 64.82 4.57 1.4383 0 -4 3 2 65.80 8.98 1.4194 -1 -5 2 2 65.98 1.00 1.4158 0 2 4 2 66.60 4.36 1.4042 -4 2 0 2 66.83 4.69 1.3999 -1 3 4 2 66.91 7.35 1.3985 -1 5 2 2 67.13 1.02 1.3944 1 3 3 2 67.22 3.89 1.3927 -3 -3 4 2 67.62 1.81 1.3854 -3 3 4 2 67.67 5.89 1.3846 3 -1 2 2 68.18 2.09 1.3754 -4 2 4 2 68.88 4.22 1.3631 -3 -1 5 2 69.11 1.53 1.3592 3 1 2 2 69.80 1.72 1.3474 2 -2 3 2 70.15 1.53 1.3416 1 -1 4 2 70.47 2.11 1.3362 2 -4 2 2 71.26 1.17 1.3233 -5 1 2 2 71.76 3.09 1.3153 1 -5 2 2 72.24 1.10 1.3077 -5 -1 2 2 72.38 2.31 1.3057 -2 2 5 2 72.54 3.09 1.3031 2 2 3 2 72.77 3.26 1.2995 -1 -5 3 2 73.02 5.93 1.2958 -4 0 5 2 73.75 5.12 1.2847 -3 5 1 2 73.82 11.52 1.2837 -4 4 2 2 73.91 1.45 1.2823 0 6 0 2 74.89 5.56 1.2680 2 4 2 2 75.10 2.48 1.2650 -1 5 3 2 75.60 3.97 1.2578 4 -2 1 2 76.00 5.24 1.2522 -5 -1 4 2 76.36 8.57 1.2472 -3 -5 2 2 76.50 2.72 1.2452 -4 -4 2 2 76.89 1.37 1.2399 -3 -5 1 2 77.86 1.27 1.2269 -4 2 5 2 77.95 1.29 1.2257 -4 -4 3 2 78.11 1.05 1.2236 -3 -3 5 2 78.41 4.84 1.2196 1 -3 4 2 78.69 4.73 1.2160 -4 -4 1 2 78.85 3.23 1.2140 -3 5 3 2 79.14 1.10 1.2102 -2 6 1 2 79.19 3.20 1.2096 -1 -3 5 2 80.06 1.11 1.1986 3 3 2 2 81.43 2.10 1.1819 0 4 4 2 82.05 3.04 1.1745 1 -5 3 2 82.19 3.46 1.1729 3 -1 3 2 82.24 4.09 1.1723 1 3 4 2 82.43 1.50 1.1701 -5 -3 3 2 82.80 1.85 1.1657 2 0 4 2 82.88 3.25 1.1649 0 2 5 2 82.88 1.49 1.1648 -5 3 1 2 83.58 1.95 1.1569 2 6 0 2 84.44 6.40 1.1472 -5 3 4 2 85.88 1.45 1.1317 2 -2 4 2 87.15 1.46 1.1184 1 5 3 2 88.14 1.51 1.1084 1 -1 5 2 88.97 1.13 1.1002 2 2 4 2 89.48 1.40 1.0952 -5 3 0 2 89.58 2.36 1.0942 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.