Rogermitchellite McDonald A M, Chao G Y The Canadian Mineralogist 48 (2010) 267-278 Rogermitchellite, Na12(Sr,Na)24Ba4Zr26Si78(B,Si)12O246(OH)24*18H2O, a new mineral species from Mont Saint-Hilaire, Quebec: Description, structure determination and relationship with HFSE-bearing cyclosilicates Locality: Mont Saint-Hilaire, Quebec, Canada _database_code_amcsd 0006329 CELL PARAMETERS: 26.5090 26.5090 9.9750 90.000 90.000 120.000 SPACE GROUP: P-3c1 X-RAY WAVELENGTH: 1.541838 Cell Volume: 6070.581 Density (g/cm3): 3.345 MAX. ABS. INTENSITY / VOLUME**2: 24.92178964 RIR: 2.426 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 3.85 35.22 22.9575 1 0 0 6 6.67 1.32 13.2545 1 1 0 6 7.70 2.11 11.4787 2 0 0 6 10.19 4.59 8.6771 2 1 0 12 13.36 4.15 6.6273 2 2 0 6 13.91 10.69 6.3673 3 1 0 12 15.44 34.85 5.7394 4 0 0 6 16.06 5.82 5.5200 2 2 1 12 16.52 5.14 5.3670 1 3 1 12 16.52 5.09 5.3670 3 1 1 12 16.83 1.65 5.2668 3 2 0 12 17.70 1.65 5.0097 4 1 0 12 17.78 6.35 4.9875 0 0 2 2 19.33 1.14 4.5915 5 0 0 6 22.31 12.78 3.9851 2 2 2 12 22.65 9.49 3.9264 1 3 2 12 22.65 9.40 3.9264 3 1 2 12 23.25 2.37 3.8262 6 0 0 6 23.57 2.44 3.7742 4 3 0 12 23.63 31.65 3.7647 0 4 2 6 23.63 31.86 3.7647 4 0 2 6 25.20 6.11 3.5345 1 4 2 12 25.20 6.16 3.5345 4 1 2 12 26.91 29.05 3.3136 4 4 0 6 27.19 2.01 3.2796 7 0 0 6 28.38 37.82 3.1447 4 4 1 12 29.37 3.09 3.0408 7 1 0 12 29.42 1.92 3.0358 0 6 2 6 29.42 1.90 3.0358 6 0 2 6 29.68 3.68 3.0096 3 4 2 12 29.68 3.72 3.0096 4 3 2 12 30.07 2.35 2.9719 2 2 3 12 30.33 2.04 2.9473 1 3 3 12 30.33 2.04 2.9473 3 1 3 12 31.17 9.31 2.8697 8 0 0 6 32.44 100.00 2.7600 4 4 2 12 32.68 5.82 2.7403 0 7 2 6 32.68 5.81 2.7403 7 0 2 6 35.18 2.02 2.5508 9 0 0 6 35.85 1.62 2.5049 8 2 0 12 36.01 15.52 2.4938 0 0 4 2 36.11 2.19 2.4873 0 8 2 6 36.11 2.15 2.4873 8 0 2 6 38.63 3.65 2.3310 8 3 0 12 39.40 1.45 2.2872 0 4 4 6 39.40 1.41 2.2872 4 0 4 6 41.63 7.12 2.1693 8 4 0 12 42.60 1.23 2.1224 9 3 0 12 43.36 1.54 2.0870 11 0 0 6 44.84 1.92 2.0213 8 5 0 12 44.88 1.91 2.0198 6 6 2 12 45.52 36.36 1.9925 4 4 4 12 45.60 2.99 1.9893 4 8 2 12 45.60 2.95 1.9893 8 4 2 12 47.53 25.16 1.9131 12 0 0 6 48.35 4.87 1.8823 0 8 4 6 48.35 4.91 1.8823 8 0 4 6 51.14 6.42 1.7862 0 12 2 6 51.14 6.38 1.7862 12 0 2 6 51.73 1.95 1.7673 2 8 4 12 51.73 1.96 1.7673 8 2 4 12 53.72 4.66 1.7064 11 4 0 12 53.84 4.62 1.7029 3 8 4 12 53.84 4.60 1.7029 8 3 4 12 55.46 3.48 1.6568 8 8 0 6 56.20 3.64 1.6367 4 8 4 12 56.20 3.62 1.6367 8 4 4 12 56.29 1.34 1.6344 8 8 1 12 57.04 3.03 1.6145 4 11 2 12 57.04 3.04 1.6145 11 4 2 12 57.73 2.02 1.5969 0 4 6 6 57.73 2.03 1.5969 4 0 6 6 57.93 1.05 1.5918 12 4 0 12 58.72 9.74 1.5723 8 8 2 12 61.05 3.96 1.5179 0 12 4 6 61.05 3.96 1.5179 12 0 4 6 61.11 2.60 1.5165 4 12 2 12 61.11 2.60 1.5165 12 4 2 12 62.50 14.32 1.4860 4 4 6 12 65.88 1.28 1.4178 1 15 2 12 65.88 1.28 1.4178 15 1 2 12 66.38 1.47 1.4083 4 11 4 12 66.38 1.47 1.4083 11 4 4 12 67.92 7.42 1.3800 8 8 4 12 67.98 1.22 1.3789 16 0 2 6 67.98 1.22 1.3789 0 16 2 6 70.88 1.75 1.3295 7 12 2 12 70.88 1.75 1.3295 12 7 2 12 72.16 1.84 1.3091 4 4 7 12 75.81 1.07 1.2549 12 0 6 6 75.81 1.06 1.2549 0 12 6 6 75.98 3.02 1.2524 16 4 0 12 76.38 3.71 1.2469 0 0 8 2 78.79 2.76 1.2147 4 16 2 12 78.79 2.77 1.2147 16 4 2 12 79.29 2.05 1.2083 19 0 0 6 82.13 3.55 1.1735 8 8 6 12 82.69 1.99 1.1670 4 4 8 12 87.07 1.61 1.1192 4 16 4 12 87.07 1.61 1.1192 16 4 4 12 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.