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: Mg(100) _database_code_amcsd 0001875 CELL PARAMETERS: 9.9076 17.9880 5.2706 90.000 104.252 90.000 SPACE GROUP: C2/m X-RAY WAVELENGTH: 1.541838 Cell Volume: 910.405 Density (g/cm3): 3.056 MAX. ABS. INTENSITY / VOLUME**2: 4.274554837 RIR: 0.455 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 10.44 18.22 8.4712 1 1 0 4 17.44 1.30 5.0859 1 3 0 4 18.23 7.89 4.8669 -1 1 1 4 18.48 4.39 4.8013 2 0 0 2 19.74 27.72 4.4970 0 4 0 2 22.19 26.36 4.0066 1 1 1 4 23.01 21.80 3.8650 -1 3 1 4 24.21 1.78 3.6764 -2 2 1 4 26.29 96.78 3.3900 1 3 1 4 26.40 1.00 3.3754 0 4 1 4 27.17 77.17 3.2822 2 4 0 4 28.32 66.90 3.1514 3 1 0 4 29.48 14.21 3.0303 -3 1 1 4 30.19 73.41 2.9600 2 2 1 4 30.50 19.40 2.9312 -1 5 1 4 31.69 28.63 2.8237 3 3 0 4 32.74 45.98 2.7356 -3 3 1 4 33.09 100.00 2.7070 1 5 1 4 34.69 57.64 2.5856 0 6 1 4 35.13 8.94 2.5542 0 0 2 2 35.29 1.92 2.5430 2 6 0 4 35.51 89.73 2.5277 -2 0 2 2 37.39 2.68 2.4050 -2 6 1 4 37.46 2.79 2.4007 4 0 0 2 37.61 15.77 2.3914 3 5 0 4 38.52 28.51 2.3372 -3 5 1 4 38.63 32.52 2.3310 -4 2 1 4 39.33 30.36 2.2908 -1 7 1 4 39.67 15.19 2.2718 -3 1 2 4 39.68 3.99 2.2713 3 3 1 4 40.10 1.63 2.2485 0 8 0 2 40.62 2.40 2.2210 0 4 2 4 40.96 12.42 2.2035 -2 4 2 4 41.44 5.31 2.1789 1 7 1 4 41.69 47.19 2.1666 2 6 1 4 42.24 9.48 2.1394 -3 3 2 4 42.53 6.09 2.1257 -1 5 2 4 44.07 28.86 2.0549 2 0 2 2 44.70 8.65 2.0274 3 5 1 4 45.01 14.23 2.0142 -4 0 2 2 45.25 3.83 2.0039 3 7 0 4 46.03 1.90 1.9716 -3 7 1 4 46.41 7.62 1.9567 1 9 0 4 46.70 1.66 1.9450 4 2 1 4 47.04 7.41 1.9319 -3 5 2 4 47.62 19.47 1.9097 5 1 0 4 48.42 4.88 1.8800 -4 6 1 4 48.72 1.58 1.8690 2 4 2 4 49.01 12.56 1.8587 -1 9 1 4 49.55 1.63 1.8396 -1 7 2 4 49.59 6.24 1.8382 -4 4 2 4 49.86 3.49 1.8290 5 3 0 4 50.08 1.25 1.8214 4 4 1 4 50.75 3.95 1.7988 0 10 0 2 50.80 3.58 1.7974 1 9 1 4 51.21 2.40 1.7840 3 1 2 4 52.33 4.06 1.7484 -5 1 2 4 52.46 1.93 1.7442 -1 1 3 4 54.05 2.04 1.6967 0 10 1 4 54.36 2.44 1.6877 0 8 2 4 54.56 12.80 1.6821 -1 3 3 4 54.63 5.62 1.6800 -2 8 2 4 54.78 2.79 1.6757 -3 9 1 4 54.87 10.03 1.6731 0 2 3 4 55.37 36.36 1.6592 4 6 1 4 56.04 6.76 1.6411 4 8 0 4 57.14 11.93 1.6121 1 11 0 4 57.35 1.36 1.6066 5 3 1 4 57.43 1.43 1.6046 3 5 2 4 57.59 6.48 1.6004 6 0 0 2 58.59 23.55 1.5755 -1 5 3 4 58.93 6.58 1.5673 4 0 2 2 59.21 2.46 1.5604 -5 7 1 4 59.22 2.47 1.5602 2 10 1 4 60.20 15.82 1.5371 -6 0 2 2 61.09 5.65 1.5170 1 9 2 4 61.27 5.00 1.5129 5 5 1 4 61.46 28.78 1.5088 -2 6 3 4 61.84 4.62 1.5003 -4 8 2 4 61.90 15.42 1.4990 0 12 0 2 62.75 1.99 1.4806 0 6 3 4 62.78 7.70 1.4800 4 4 2 4 63.11 1.67 1.4731 2 2 3 4 63.47 1.29 1.4656 -2 10 2 4 63.93 6.36 1.4562 3 11 0 4 64.01 3.68 1.4545 -6 4 2 4 64.34 4.36 1.4478 -1 7 3 4 64.55 40.15 1.4437 -6 6 1 4 64.55 2.47 1.4437 -3 11 1 4 64.62 1.90 1.4423 -4 10 1 4 65.20 1.23 1.4309 2 12 0 4 65.56 3.14 1.4238 -5 3 3 4 66.16 2.73 1.4124 6 2 1 4 66.75 1.10 1.4014 -4 6 3 4 66.78 1.00 1.4009 -5 9 1 4 68.08 1.25 1.3772 -7 3 1 4 68.13 12.81 1.3764 5 1 2 4 68.61 2.35 1.3678 7 1 0 4 68.82 1.29 1.3643 1 7 3 4 69.21 4.69 1.3574 -5 5 3 4 69.54 1.08 1.3518 -7 1 2 4 69.93 6.10 1.3452 5 3 2 4 70.33 7.45 1.3385 1 11 2 4 70.41 1.79 1.3373 7 3 0 4 70.45 8.24 1.3366 2 6 3 4 70.57 1.37 1.3346 -1 13 1 4 70.80 4.35 1.3308 -3 11 2 4 70.97 1.78 1.3281 -6 2 3 4 71.50 3.24 1.3195 -5 9 2 4 71.61 2.71 1.3177 -1 9 3 4 71.67 9.05 1.3168 -7 5 1 4 72.40 6.59 1.3053 -1 1 4 4 72.49 3.33 1.3039 6 8 0 4 72.86 2.32 1.2982 -3 1 4 4 73.21 8.36 1.2928 0 12 2 4 73.35 2.71 1.2908 6 6 1 4 73.44 18.79 1.2893 -2 12 2 4 73.48 1.91 1.2888 5 5 2 4 73.51 1.92 1.2883 -3 9 3 4 74.16 3.02 1.2787 -1 3 4 4 74.26 5.66 1.2771 0 0 4 2 74.65 1.46 1.2715 4 12 0 4 75.15 1.30 1.2642 -2 4 4 4 75.18 7.43 1.2639 -4 0 4 2 76.92 1.32 1.2395 -7 7 1 4 76.94 3.00 1.2392 4 2 3 4 77.13 1.32 1.2366 0 10 3 4 77.63 1.55 1.2299 -1 5 4 4 77.84 1.74 1.2271 6 0 2 2 77.86 1.03 1.2268 -8 2 1 4 78.00 1.15 1.2250 -1 13 2 4 78.07 2.13 1.2241 -2 14 1 4 78.78 1.23 1.2149 -6 10 1 4 79.92 2.68 1.2003 8 0 0 2 80.19 9.10 1.1970 -5 11 2 4 82.56 1.19 1.1686 -6 10 2 4 82.82 3.26 1.1655 -8 4 2 4 82.87 5.59 1.1650 2 0 4 2 83.78 1.78 1.1546 4 6 3 4 84.08 1.39 1.1512 1 15 1 4 84.29 2.06 1.1489 2 10 3 4 85.49 1.11 1.1358 5 9 2 4 85.94 3.03 1.1310 7 9 0 4 86.74 1.45 1.1227 5 13 0 4 86.80 1.11 1.1220 5 3 3 4 88.01 3.28 1.1097 -6 4 4 4 88.34 1.89 1.1064 -7 7 3 4 89.20 1.09 1.0980 0 16 1 4 89.46 1.15 1.0954 3 13 2 4 89.52 1.58 1.0948 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.