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 = 225 K _database_code_amcsd 0002959 CELL PARAMETERS: 6.7198 7.7149 7.0249 91.320 117.953 91.778 SPACE GROUP: C-1 X-RAY WAVELENGTH: 1.541838 Cell Volume: 321.254 Density (g/cm3): 3.017 MAX. ABS. INTENSITY / VOLUME**2: 5.564448401 RIR: 0.601 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 14.29 7.37 6.1997 0 0 1 2 18.45 7.80 4.8102 -1 1 0 2 18.92 30.99 4.6903 -1 1 1 2 19.04 72.08 4.6605 -1 -1 1 2 19.32 19.25 4.5947 1 1 0 2 23.09 8.75 3.8521 0 2 0 2 26.54 5.49 3.3581 -2 0 1 2 26.72 50.92 3.3362 0 -2 1 2 27.20 46.91 3.2788 1 -1 1 2 27.75 62.33 3.2150 -1 -1 2 2 27.78 46.48 3.2113 0 2 1 2 28.18 100.00 3.1666 -1 1 2 2 28.32 28.75 3.1508 1 1 1 2 28.80 3.76 3.0998 0 0 2 2 30.15 90.17 2.9646 2 0 0 2 30.39 6.93 2.9411 -2 0 2 2 34.90 12.90 2.5706 -2 2 1 2 36.01 24.35 2.4938 -2 -2 1 2 36.42 9.00 2.4668 0 -2 2 2 37.39 1.30 2.4051 -2 2 0 2 37.50 37.96 2.3983 -1 3 0 2 38.03 6.90 2.3663 0 2 2 2 38.38 6.21 2.3451 -2 2 2 2 38.64 1.13 2.3302 -2 -2 2 2 38.87 3.35 2.3168 1 3 0 2 39.21 8.00 2.2974 2 2 0 2 39.37 11.76 2.2886 2 0 1 2 39.76 6.58 2.2671 -2 0 3 2 40.97 11.07 2.2031 -1 1 3 2 42.40 24.73 2.1316 1 -3 1 2 43.02 10.32 2.1025 -3 -1 2 2 44.13 4.22 2.0520 -1 3 2 2 44.69 4.04 2.0277 1 3 1 2 45.00 1.20 2.0143 2 -2 1 2 46.25 27.19 1.9628 -2 -2 3 2 46.70 4.33 1.9449 -2 2 3 2 46.92 4.08 1.9366 -3 1 0 2 47.19 6.76 1.9260 0 4 0 2 47.25 1.82 1.9239 2 2 1 2 47.79 1.42 1.9032 -3 1 3 2 48.07 16.83 1.8929 3 1 0 2 50.19 2.09 1.8175 0 4 1 2 51.03 13.80 1.7896 0 2 3 2 51.57 1.57 1.7723 1 -3 2 2 52.19 18.90 1.7526 -2 0 4 2 54.05 3.54 1.6967 -1 3 3 2 54.30 1.18 1.6894 -3 3 2 2 54.63 4.09 1.6801 -1 -1 4 2 54.66 3.99 1.6791 -4 0 2 2 55.05 12.21 1.6681 0 -4 2 2 55.47 1.33 1.6566 -1 1 4 2 55.63 1.07 1.6523 -3 -3 2 2 55.73 7.49 1.6494 3 -1 1 2 56.10 4.40 1.6394 2 -2 2 2 56.87 2.20 1.6191 -3 -1 4 2 56.98 15.84 1.6162 -2 4 2 2 57.04 2.86 1.6147 3 1 1 2 57.36 9.03 1.6064 -2 -4 2 2 57.39 7.07 1.6056 0 4 2 2 57.48 17.70 1.6034 -3 3 0 2 58.28 10.50 1.5833 -2 2 4 2 58.59 16.44 1.5754 2 2 2 2 59.09 2.10 1.5634 -3 3 3 2 59.66 1.98 1.5499 0 0 4 2 60.44 9.13 1.5316 3 3 0 2 60.85 11.51 1.5222 -4 -2 2 2 61.26 1.46 1.5131 2 -4 1 2 61.45 1.06 1.5088 -1 5 0 2 61.82 1.09 1.5007 -4 2 3 2 62.68 7.48 1.4823 4 0 0 2 63.00 3.40 1.4755 -4 -2 1 2 63.23 10.15 1.4706 -4 0 4 2 63.77 3.37 1.4596 0 -2 4 2 64.49 7.83 1.4450 -1 -3 4 2 64.71 2.78 1.4405 1 -5 1 2 64.74 4.37 1.4399 0 -4 3 2 65.70 8.83 1.4211 -1 -5 2 2 66.51 4.20 1.4059 -4 2 0 2 66.75 4.72 1.4013 -1 3 4 2 66.81 7.16 1.4002 -1 5 2 2 67.14 3.75 1.3942 -3 -3 4 2 67.54 1.79 1.3869 -3 3 4 2 67.59 5.69 1.3861 3 -1 2 2 68.10 2.03 1.3769 -4 2 4 2 68.81 4.18 1.3644 -3 -1 5 2 69.02 1.50 1.3607 3 1 2 2 69.72 1.68 1.3488 2 -2 3 2 70.08 1.51 1.3428 1 -1 4 2 70.38 2.07 1.3377 2 -4 2 2 71.16 1.14 1.3250 -5 1 2 2 71.66 3.04 1.3169 1 -5 2 2 72.14 1.05 1.3094 -5 -1 2 2 72.30 2.23 1.3069 -2 2 5 2 72.45 2.95 1.3044 2 2 3 2 72.67 3.22 1.3011 -1 -5 3 2 72.93 5.45 1.2971 -4 0 5 2 73.64 5.00 1.2863 -3 5 1 2 73.71 11.26 1.2853 -4 4 2 2 73.80 1.43 1.2840 0 6 0 2 74.79 5.34 1.2695 2 4 2 2 74.99 2.34 1.2665 -1 5 3 2 75.50 3.83 1.2593 4 -2 1 2 75.89 5.16 1.2537 -5 -1 4 2 76.24 8.30 1.2488 -3 -5 2 2 76.38 2.68 1.2469 -4 -4 2 2 76.77 1.39 1.2416 -3 -5 1 2 77.76 1.25 1.2282 -4 2 5 2 77.83 1.25 1.2273 -4 -4 3 2 78.32 4.69 1.2208 1 -3 4 2 78.57 4.62 1.2176 -4 -4 1 2 78.73 3.12 1.2154 -3 5 3 2 79.02 1.03 1.2118 -2 6 1 2 79.10 3.03 1.2107 -1 -3 5 2 79.95 1.06 1.2000 3 3 2 2 81.32 2.02 1.1832 0 4 4 2 81.94 3.01 1.1758 1 -5 3 2 82.09 3.25 1.1740 3 -1 3 2 82.14 4.04 1.1735 1 3 4 2 82.30 1.45 1.1716 -5 -3 3 2 82.71 1.88 1.1668 2 0 4 2 82.76 1.42 1.1662 -5 3 1 2 82.79 3.09 1.1659 0 2 5 2 83.44 1.88 1.1584 2 6 0 2 84.32 6.11 1.1485 -5 3 4 2 85.78 1.40 1.1327 2 -2 4 2 87.02 1.41 1.1197 1 5 3 2 88.04 1.43 1.1094 1 -1 5 2 88.86 1.08 1.1013 2 2 4 2 89.34 1.38 1.0965 -5 3 0 2 89.44 2.21 1.0956 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.