Steedeite Haring M M M, McDonald A M The Canadian Mineralogist 52 (2014) 47-60 Steedeite, NaMn2[Si3BO9](OH)2: characterization, crystal-structure determination, and origin Locality: Poudrette quarry, Monteregie, Quebec, Canada _database_code_amcsd 0020229 CELL PARAMETERS: 6.8370 7.5750 8.8410 99.910 102.190 102.780 SPACE GROUP: P-1 X-RAY WAVELENGTH: 1.541838 Cell Volume: 424.812 Density (g/cm3): 3.174 MAX. ABS. INTENSITY / VOLUME**2: 10.29943623 RIR: 1.057 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 10.52 100.00 8.4109 0 0 1 2 12.31 29.75 7.1901 0 1 0 2 14.25 13.35 6.2152 0 -1 1 2 20.84 3.60 4.2635 1 1 0 2 21.13 4.47 4.2055 0 0 2 2 21.90 5.95 4.0588 0 -1 2 2 22.04 3.83 4.0324 -1 0 2 2 24.59 1.86 3.6196 0 -2 1 2 24.74 10.54 3.5987 -1 -1 2 2 24.77 7.10 3.5950 0 2 0 2 25.90 3.22 3.4407 -1 1 2 2 26.18 2.16 3.4036 1 1 1 2 26.27 9.76 3.3920 1 -2 1 2 26.91 54.32 3.3137 0 1 2 2 26.96 1.77 3.3069 -2 0 1 2 27.11 17.61 3.2893 1 -1 2 2 27.15 2.34 3.2844 -2 1 0 2 28.19 10.04 3.1651 1 0 2 2 28.73 5.60 3.1076 0 -2 2 2 29.17 25.85 3.0615 0 2 1 2 30.17 10.00 2.9621 -1 -2 1 2 31.32 7.35 2.8560 -1 0 3 2 31.48 28.89 2.8422 0 -1 3 2 31.78 3.08 2.8160 -2 1 2 2 31.80 75.34 2.8138 -2 -1 1 2 31.97 70.90 2.7992 -2 2 0 2 32.25 3.22 2.7760 2 0 1 2 33.26 8.88 2.6940 -2 2 1 2 33.40 4.82 2.6830 2 1 0 2 33.77 4.42 2.6541 -2 -1 2 2 34.23 2.98 2.6195 2 -2 1 2 34.28 2.63 2.6160 -1 2 2 2 35.81 14.76 2.5075 0 -2 3 2 36.33 1.23 2.4731 1 2 1 2 36.33 3.36 2.4728 -1 3 0 2 36.42 3.09 2.4672 0 2 2 2 36.55 13.43 2.4585 0 -3 1 2 36.64 2.59 2.4529 -2 0 3 2 36.99 5.91 2.4301 0 1 3 2 37.33 1.16 2.4086 2 -1 2 2 37.53 4.07 2.3967 0 3 0 2 38.75 9.42 2.3236 -2 1 3 2 39.41 9.90 2.2862 2 0 2 2 40.32 11.48 2.2369 -2 -2 1 2 40.46 10.69 2.2292 -2 3 0 2 41.58 2.38 2.1720 -1 0 4 2 41.85 2.91 2.1584 -1 -3 1 2 41.90 18.00 2.1559 0 -1 4 2 42.10 2.37 2.1464 3 0 0 2 42.29 9.42 2.1370 -2 3 1 2 42.40 8.98 2.1317 2 2 0 2 43.02 7.39 2.1027 0 0 4 2 43.69 1.83 2.0717 0 -3 3 2 44.65 5.52 2.0294 0 -2 4 2 44.96 4.30 2.0162 -2 0 4 2 45.51 1.35 1.9932 -1 -2 4 2 45.79 3.05 1.9817 2 -1 3 2 46.29 1.17 1.9614 3 0 1 2 46.76 5.56 1.9426 -2 3 2 2 46.81 2.28 1.9407 -3 1 3 2 46.93 1.28 1.9361 2 -2 3 2 47.09 4.69 1.9297 2 2 1 2 47.47 3.21 1.9153 -2 1 4 2 47.80 4.00 1.9028 0 3 2 2 48.26 3.24 1.8859 2 0 3 2 48.82 1.86 1.8654 -1 4 0 2 48.93 1.64 1.8614 1 0 4 2 49.35 3.72 1.8466 0 -4 1 2 50.73 2.72 1.7997 3 -2 2 2 50.74 3.75 1.7994 -2 -2 4 2 50.79 1.31 1.7975 0 4 0 2 50.98 1.45 1.7913 -3 2 3 2 51.50 3.95 1.7744 2 -3 3 2 52.42 1.24 1.7454 -3 0 4 2 53.25 3.69 1.7203 -2 2 4 2 53.33 1.83 1.7179 -2 4 1 2 53.37 1.66 1.7168 -2 3 3 2 53.42 3.01 1.7153 2 3 0 2 53.54 3.32 1.7117 -2 -3 3 2 53.63 21.90 1.7090 -4 1 1 2 53.87 1.35 1.7018 2 2 2 2 53.97 4.12 1.6991 2 1 3 2 54.07 4.55 1.6960 2 -4 2 2 54.43 2.89 1.6857 -3 -1 4 2 54.55 8.82 1.6822 0 0 5 2 54.61 3.63 1.6805 -4 1 2 2 54.67 1.29 1.6787 0 -2 5 2 54.74 2.67 1.6769 3 -3 2 2 54.98 1.42 1.6700 -2 -1 5 2 55.02 1.99 1.6690 -4 1 0 2 55.24 1.13 1.6628 -4 0 1 2 55.90 3.41 1.6448 0 3 3 2 55.91 1.56 1.6447 2 -2 4 2 57.76 6.03 1.5962 -2 4 2 2 58.04 5.43 1.5892 2 3 1 2 58.23 9.67 1.5845 -2 -3 4 2 58.50 3.03 1.5777 -2 -2 5 2 58.93 8.03 1.5672 2 -4 3 2 59.21 1.65 1.5604 0 1 5 2 59.39 2.52 1.5562 2 -3 4 2 59.49 3.76 1.5538 0 -4 4 2 60.62 1.81 1.5274 -4 2 3 2 61.38 1.42 1.5104 4 0 1 2 62.18 1.12 1.4930 -3 -3 2 2 62.73 2.63 1.4811 -2 -4 2 2 62.95 3.56 1.4764 -4 0 4 2 63.04 2.40 1.4747 2 -5 1 2 63.14 8.79 1.4726 -2 2 5 2 63.28 1.18 1.4696 -2 -4 1 2 63.37 1.22 1.4677 0 -5 2 2 63.39 1.73 1.4672 -2 5 0 2 63.97 7.32 1.4554 2 1 4 2 64.08 3.41 1.4531 4 -2 2 2 64.84 2.67 1.4380 0 5 0 2 64.84 2.78 1.4380 -2 -3 5 2 65.12 1.68 1.4325 -2 -1 6 2 65.42 3.29 1.4266 0 3 4 2 65.61 3.09 1.4228 -4 -1 4 2 65.68 2.71 1.4215 2 -4 4 2 66.13 1.75 1.4129 2 -2 5 2 66.21 1.12 1.4116 -4 3 3 2 66.40 1.18 1.4080 -4 2 4 2 66.45 2.36 1.4069 -4 -2 2 2 66.73 1.30 1.4018 0 0 6 2 66.73 2.24 1.4017 4 -3 2 2 66.85 2.50 1.3996 -4 4 0 2 66.92 1.20 1.3983 4 1 1 2 68.70 7.29 1.3663 0 5 1 2 69.47 2.60 1.3529 0 -3 6 2 70.32 3.33 1.3388 0 -5 4 2 70.38 1.30 1.3378 -4 1 5 2 71.38 1.30 1.3214 -2 3 5 2 71.57 1.79 1.3185 -4 -1 5 2 71.79 1.86 1.3149 4 -1 3 2 72.16 1.40 1.3090 2 2 4 2 73.59 1.16 1.2870 -5 3 0 2 74.16 1.34 1.2787 5 -2 1 2 74.23 1.60 1.2776 -2 2 6 2 75.14 1.20 1.2643 -5 -1 2 2 75.18 1.53 1.2638 2 1 5 2 76.66 1.60 1.2430 0 -5 5 2 77.68 1.63 1.2292 0 -6 2 2 79.19 3.22 1.2096 -4 1 6 2 79.43 1.28 1.2065 0 -6 3 2 80.89 2.19 1.1884 4 -1 4 2 85.61 1.34 1.1345 3 3 3 2 88.83 1.66 1.1016 -4 4 5 2 88.94 1.37 1.1005 -4 -4 1 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.