Richterite Della Ventura G, Robert J-L, Raudsepp M, Hawthorne F C, Welch M D American Mineralogist 82 (1997) 291-301 Site occupancies in synthetic monoclinic amphiboles: Rietveld structure refinement and infrared spectroscopy of (nickel, magnesium, cobalt)-richterite Sample: Ni20 _database_code_amcsd 0001876 CELL PARAMETERS: 9.9073 17.9780 5.2669 90.000 104.303 90.000 SPACE GROUP: C2/m X-RAY WAVELENGTH: 1.541838 Cell Volume: 909.027 Density (g/cm3): 3.179 MAX. ABS. INTENSITY / VOLUME**2: 5.357717638 RIR: 0.549 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 10.45 61.67 8.4684 1 1 0 4 18.24 7.76 4.8649 -1 1 1 4 19.75 21.71 4.4945 0 4 0 2 22.21 20.45 4.0025 1 1 1 4 23.02 18.81 3.8632 -1 3 1 4 24.21 1.14 3.6761 -2 2 1 4 26.31 78.27 3.3870 1 3 1 4 26.42 2.50 3.3730 0 4 1 4 27.18 61.56 3.2808 2 4 0 4 28.33 70.13 3.1505 3 1 0 4 29.47 10.47 3.0305 -3 1 1 4 29.78 2.34 2.9998 -2 4 1 4 30.22 57.60 2.9574 2 2 1 4 30.51 9.01 2.9297 -1 5 1 4 31.70 22.87 2.8228 3 3 0 4 32.74 35.13 2.7355 -3 3 1 4 33.12 100.00 2.7049 1 5 1 4 34.72 64.03 2.5839 0 6 1 4 34.92 1.89 2.5695 2 4 1 4 35.17 3.61 2.5518 0 0 2 2 35.31 1.29 2.5418 2 6 0 4 35.53 84.39 2.5267 -2 0 2 2 37.47 4.85 2.4001 4 0 0 2 37.63 12.48 2.3904 3 5 0 4 38.53 32.24 2.3367 -3 5 1 4 38.62 24.70 2.3310 -4 2 1 4 39.35 18.98 2.2896 -1 7 1 4 39.68 18.40 2.2715 -3 1 2 4 39.71 2.59 2.2695 3 3 1 4 40.13 1.32 2.2473 0 8 0 2 40.66 1.46 2.2191 0 4 2 4 40.98 9.78 2.2025 -2 4 2 4 41.47 5.86 2.1774 1 7 1 4 41.72 49.05 2.1650 2 6 1 4 42.25 7.35 2.1390 -3 3 2 4 42.51 1.39 2.1264 -4 4 1 4 42.56 5.57 2.1243 -1 5 2 4 44.12 28.29 2.0528 2 0 2 2 44.73 11.66 2.0259 3 5 1 4 45.01 15.66 2.0142 -4 0 2 2 45.27 2.73 2.0030 3 7 0 4 46.05 2.71 1.9711 -3 7 1 4 46.43 6.00 1.9557 1 9 0 4 46.74 1.40 1.9436 4 2 1 4 47.05 5.70 1.9314 -3 5 2 4 47.63 11.91 1.9092 5 1 0 4 48.43 7.49 1.8796 -4 6 1 4 48.77 1.08 1.8673 2 4 2 4 49.04 8.37 1.8577 -1 9 1 4 49.58 1.12 1.8385 -1 7 2 4 49.60 5.01 1.8380 -4 4 2 4 49.87 2.90 1.8285 5 3 0 4 50.12 1.48 1.8202 4 4 1 4 50.78 4.55 1.7978 0 10 0 2 50.83 3.05 1.7962 1 9 1 4 52.32 4.82 1.7485 -5 1 2 4 52.51 1.78 1.7428 -1 1 3 4 54.08 1.34 1.6957 0 10 1 4 54.40 2.33 1.6865 0 8 2 4 54.50 1.33 1.6836 2 10 0 4 54.60 9.46 1.6808 -1 3 3 4 54.66 4.59 1.6792 -2 8 2 4 54.80 2.62 1.6751 -3 9 1 4 54.93 7.73 1.6715 0 2 3 4 55.41 34.70 1.6581 4 6 1 4 56.06 5.15 1.6404 4 8 0 4 57.17 12.28 1.6112 1 11 0 4 57.48 1.34 1.6032 3 5 2 4 57.61 6.77 1.6000 6 0 0 2 58.64 22.86 1.5743 -1 5 3 4 58.99 6.79 1.5659 4 0 2 2 59.22 1.22 1.5602 -5 7 1 4 59.27 2.07 1.5592 2 10 1 4 60.20 14.66 1.5373 -6 0 2 2 61.14 4.70 1.5158 1 9 2 4 61.31 5.30 1.5120 5 5 1 4 61.50 27.98 1.5079 -2 6 3 4 61.86 4.37 1.4999 -4 8 2 4 61.94 14.78 1.4982 0 12 0 2 62.81 2.84 1.4794 0 6 3 4 62.85 6.16 1.4787 4 4 2 4 63.19 1.39 1.4715 2 2 3 4 63.51 2.47 1.4649 -2 10 2 4 63.96 5.71 1.4555 3 11 0 4 64.01 2.82 1.4545 -6 4 2 4 64.40 4.20 1.4468 -1 7 3 4 64.56 37.48 1.4436 -6 6 1 4 64.58 1.99 1.4431 -3 11 1 4 64.65 1.47 1.4418 -4 10 1 4 64.79 1.81 1.4389 4 10 0 4 65.57 2.52 1.4237 -5 3 3 4 66.21 2.14 1.4116 6 2 1 4 66.77 1.59 1.4010 -4 6 3 4 68.19 12.34 1.3752 5 1 2 4 68.63 3.15 1.3675 7 1 0 4 69.22 4.82 1.3572 -5 5 3 4 69.50 1.46 1.3525 2 10 2 4 70.00 4.38 1.3441 5 3 2 4 70.39 7.11 1.3376 1 11 2 4 70.43 1.32 1.3369 7 3 0 4 70.53 8.29 1.3353 2 6 3 4 70.83 4.62 1.3303 -3 11 2 4 70.97 1.18 1.3280 -6 2 3 4 71.52 2.49 1.3192 -5 9 2 4 71.67 2.06 1.3168 -1 9 3 4 71.68 9.16 1.3167 -7 5 1 4 72.47 6.09 1.3042 -1 1 4 4 72.52 2.78 1.3034 6 8 0 4 72.91 1.11 1.2975 -3 1 4 4 73.27 4.91 1.2920 0 12 2 4 73.40 1.33 1.2900 6 6 1 4 73.49 18.10 1.2887 -2 12 2 4 73.55 1.31 1.2878 5 5 2 4 73.55 1.12 1.2877 -3 9 3 4 74.23 2.87 1.2776 -1 3 4 4 74.34 5.58 1.2759 0 0 4 2 74.69 2.05 1.2709 4 12 0 4 75.21 1.02 1.2634 -2 4 4 4 75.21 6.86 1.2634 -4 0 4 2 76.93 1.44 1.2393 -7 7 1 4 77.03 2.43 1.2379 4 2 3 4 77.70 1.01 1.2289 -1 5 4 4 77.92 2.04 1.2261 6 0 2 2 78.12 1.46 1.2235 -2 14 1 4 79.14 1.17 1.2102 2 12 2 4 79.94 2.87 1.2000 8 0 0 2 80.22 8.37 1.1966 -5 11 2 4 82.57 1.26 1.1684 -6 10 2 4 82.82 2.40 1.1655 -8 4 2 4 82.97 5.22 1.1638 2 0 4 2 84.14 1.18 1.1505 1 15 1 4 84.37 1.49 1.1480 2 10 3 4 85.98 2.38 1.1306 7 9 0 4 86.91 1.14 1.1209 5 3 3 4 88.03 2.65 1.1095 -6 4 4 4 88.35 1.12 1.1063 -7 7 3 4 89.26 1.33 1.0973 0 16 1 4 89.64 1.93 1.0937 3 1 4 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.