Montebrasite Groat L A, Raudsepp M, Hawthorne F C, Ercit T S, Sherriff B L, Hartman J S American Mineralogist 75 (1990) 992-1008 The amblygonite-montebrasite series: Characterization by single-crystal structure refinement, infrared spectroscopy and multinuclear MAS-NMR spectroscopy sample AF-43 _database_code_amcsd 0001321 CELL PARAMETERS: 6.7130 7.7110 7.0102 91.220 117.910 91.670 SPACE GROUP: C-1 X-RAY WAVELENGTH: 1.541838 Cell Volume: 320.280 Density (g/cm3): 3.029 MAX. ABS. INTENSITY / VOLUME**2: 5.588348338 RIR: 0.601 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 14.31 6.21 6.1900 0 0 1 2 18.48 8.21 4.8006 -1 1 0 2 18.95 31.37 4.6840 -1 1 1 2 19.06 71.05 4.6554 -1 -1 1 2 19.30 21.43 4.5994 1 1 0 2 23.10 9.03 3.8508 0 2 0 2 26.57 4.72 3.3549 -2 0 1 2 26.78 50.93 3.3293 0 -2 1 2 27.25 44.82 3.2721 1 -1 1 2 27.76 46.61 3.2132 0 2 1 2 27.82 62.28 3.2074 -1 -1 2 2 28.22 100.00 3.1628 -1 1 2 2 28.31 28.63 3.1528 1 1 1 2 28.85 3.82 3.0950 0 0 2 2 30.16 92.36 2.9632 2 0 0 2 30.45 7.58 2.9360 -2 0 2 2 34.96 13.38 2.5663 -2 2 1 2 36.01 24.91 2.4944 -2 -2 1 2 36.52 8.92 2.4604 0 -2 2 2 37.47 1.35 2.4003 -2 2 0 2 37.56 36.90 2.3947 -1 3 0 2 38.01 6.76 2.3671 0 2 2 2 38.44 5.73 2.3420 -2 2 2 2 38.84 3.60 2.3186 1 3 0 2 39.17 7.66 2.2997 2 2 0 2 39.39 11.17 2.2874 2 0 1 2 39.84 5.52 2.2625 -2 0 3 2 41.02 10.01 2.2003 -1 1 3 2 42.50 23.95 2.1268 1 -3 1 2 43.06 9.65 2.1008 -3 -1 2 2 44.14 3.81 2.0516 -1 3 2 2 44.64 4.34 2.0300 1 3 1 2 45.10 1.39 2.0101 2 -2 1 2 46.35 26.87 1.9589 -2 -2 3 2 46.76 4.86 1.9426 -2 2 3 2 46.98 4.28 1.9342 -3 1 0 2 47.20 1.73 1.9258 2 2 1 2 47.21 6.79 1.9254 0 4 0 2 47.88 1.28 1.8999 -3 1 3 2 48.05 16.85 1.8934 3 1 0 2 50.17 2.15 1.8183 0 4 1 2 51.04 13.28 1.7895 0 2 3 2 51.71 1.62 1.7679 1 -3 2 2 52.31 19.36 1.7490 -2 0 4 2 54.06 3.33 1.6964 -1 3 3 2 54.39 1.21 1.6868 -3 3 2 2 54.72 3.75 1.6774 -4 0 2 2 54.77 4.09 1.6761 -1 -1 4 2 55.18 12.05 1.6647 0 -4 2 2 55.55 1.34 1.6545 -1 1 4 2 55.64 1.07 1.6519 -3 -3 2 2 55.80 7.07 1.6475 3 -1 1 2 56.23 4.33 1.6360 2 -2 2 2 56.99 1.97 1.6158 -3 -1 4 2 57.02 2.76 1.6150 3 1 1 2 57.03 15.43 1.6148 -2 4 2 2 57.35 6.94 1.6066 0 4 2 2 57.40 8.78 1.6054 -2 -4 2 2 57.60 17.20 1.6002 -3 3 0 2 58.35 9.93 1.5814 -2 2 4 2 58.55 15.78 1.5764 2 2 2 2 59.18 1.83 1.5613 -3 3 3 2 59.76 1.98 1.5475 0 0 4 2 60.38 9.06 1.5331 3 3 0 2 60.87 10.86 1.5220 -4 -2 2 2 61.41 1.35 1.5098 2 -4 1 2 61.93 1.14 1.4983 -4 2 3 2 62.71 7.62 1.4816 4 0 0 2 62.97 3.45 1.4760 -4 -2 1 2 63.36 10.39 1.4680 -4 0 4 2 63.94 2.98 1.4559 0 -2 4 2 64.67 7.88 1.4413 -1 -3 4 2 64.84 2.70 1.4380 1 -5 1 2 64.92 4.06 1.4363 0 -4 3 2 65.79 8.53 1.4195 -1 -5 2 2 66.62 3.98 1.4038 -4 2 0 2 66.78 5.00 1.4008 -1 3 4 2 66.82 7.05 1.4002 -1 5 2 2 67.27 3.59 1.3918 -3 -3 4 2 67.63 1.81 1.3852 -3 3 4 2 67.68 5.52 1.3844 3 -1 2 2 68.22 1.81 1.3746 -4 2 4 2 68.98 4.11 1.3614 -3 -1 5 2 69.02 1.40 1.3607 3 1 2 2 69.88 1.68 1.3460 2 -2 3 2 70.22 1.43 1.3404 1 -1 4 2 70.58 2.06 1.3345 2 -4 2 2 71.26 1.09 1.3234 -5 1 2 2 71.85 2.89 1.3140 1 -5 2 2 72.40 2.10 1.3053 -2 2 5 2 72.43 2.85 1.3048 2 2 3 2 72.83 3.22 1.2987 -1 -5 3 2 73.09 4.73 1.2946 -4 0 5 2 73.78 4.85 1.2843 -3 5 1 2 73.82 1.38 1.2836 0 6 0 2 73.86 10.84 1.2831 -4 4 2 2 74.69 5.12 1.2709 2 4 2 2 74.98 2.22 1.2666 -1 5 3 2 75.63 3.72 1.2574 4 -2 1 2 76.01 4.95 1.2520 -5 -1 4 2 76.24 7.94 1.2488 -3 -5 2 2 76.36 2.68 1.2472 -4 -4 2 2 76.71 1.48 1.2423 -3 -5 1 2 77.87 1.18 1.2268 -4 -4 3 2 77.91 1.28 1.2262 -4 2 5 2 78.50 4.25 1.2185 -4 -4 1 2 78.55 4.43 1.2178 1 -3 4 2 78.83 3.00 1.2142 -3 5 3 2 79.35 2.76 1.2076 -1 -3 5 2 81.29 1.89 1.1836 0 4 4 2 82.11 4.14 1.1738 1 3 4 2 82.19 2.91 1.1729 1 -5 3 2 82.21 2.85 1.1726 3 -1 3 2 82.33 1.37 1.1712 -5 -3 3 2 82.81 2.09 1.1656 2 0 4 2 82.84 2.83 1.1652 0 2 5 2 82.92 1.29 1.1643 -5 3 1 2 83.36 1.75 1.1593 2 6 0 2 84.49 5.92 1.1467 -5 3 4 2 85.99 1.40 1.1305 2 -2 4 2 86.92 1.45 1.1207 1 5 3 2 88.24 1.26 1.1074 1 -1 5 2 88.86 1.04 1.1013 2 2 4 2 89.32 2.04 1.0968 2 6 1 2 89.53 1.32 1.0947 -5 3 0 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.