Bernardevansite Yang H, Gu X, Jenkins R A, Gibbs R B, Downs R T Mineralogical Magazine 87 (2023) 1-8 Bernardevansite, Al2(Se4+O3)3*6H2O, dimorphous with alfredopetrovite and the Al-analogue of mandarinoite, from the El Dragon mine, Potosi, Bolivia Locality: El Dragon mine, Potosi, Bolivia _database_code_amcsd 0021206 CELL PARAMETERS: 16.5016 7.7703 9.8524 90.000 98.258 90.000 SPACE GROUP: P2_1/c X-RAY WAVELENGTH: 1.541838 Cell Volume: 1250.206 Density (g/cm3): 2.941 MAX. ABS. INTENSITY / VOLUME**2: 25.58992517 RIR: 2.833 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 5.41 4.09 16.3305 1 0 0 2 10.84 41.73 8.1653 2 0 0 2 12.62 100.00 7.0165 1 1 0 4 14.58 11.96 6.0767 0 1 1 4 15.74 2.20 5.6289 2 1 0 4 16.01 1.20 5.5355 1 1 1 4 17.39 4.16 5.0983 -2 1 1 4 18.20 10.61 4.8751 0 0 2 2 18.97 6.36 4.6784 2 1 1 4 19.91 3.88 4.4583 3 1 0 4 20.91 2.69 4.2480 -3 1 1 4 21.54 6.09 4.1247 -1 1 2 4 21.77 11.07 4.0826 4 0 0 2 22.85 1.40 3.8926 1 1 2 4 22.89 1.13 3.8852 0 2 0 2 24.63 1.29 3.6141 4 1 0 4 24.67 3.82 3.6092 0 2 1 4 25.17 3.01 3.5386 -4 1 1 4 25.39 36.85 3.5083 2 2 0 4 25.44 9.64 3.5015 -3 1 2 4 26.23 2.99 3.3972 3 0 2 2 26.38 22.81 3.3779 -4 0 2 2 26.46 7.00 3.3680 -2 2 1 4 27.31 1.83 3.2661 5 0 0 2 27.39 5.44 3.2566 4 1 1 4 27.55 5.33 3.2380 2 2 1 4 28.68 4.37 3.1127 3 1 2 4 29.40 3.07 3.0383 0 2 2 4 29.42 1.13 3.0364 -1 2 2 4 29.67 3.91 3.0109 5 1 0 4 29.80 11.92 2.9984 0 1 3 4 29.88 3.52 2.9907 -5 1 1 4 30.36 9.59 2.9436 -2 1 3 4 30.46 28.30 2.9347 -2 2 2 4 30.51 11.00 2.9297 4 0 2 2 31.79 2.58 2.8144 4 2 0 4 32.26 2.31 2.7752 5 1 1 4 32.35 15.06 2.7678 2 2 2 4 32.44 4.42 2.7603 -3 2 2 4 32.67 6.60 2.7414 4 1 2 4 32.83 1.73 2.7283 -5 1 2 4 32.91 1.04 2.7218 6 0 0 2 33.17 8.61 2.7012 2 1 3 4 34.69 4.89 2.5856 -4 1 3 4 35.09 4.64 2.5574 3 2 2 4 35.20 6.44 2.5494 5 0 2 2 35.92 2.54 2.5001 5 2 0 4 36.48 1.12 2.4631 -1 0 4 2 36.94 1.65 2.4335 -2 0 4 2 37.29 5.43 2.4114 -6 1 2 4 38.10 1.08 2.3618 1 0 4 2 38.34 2.39 2.3479 -1 1 4 4 40.10 1.57 2.2488 2 0 4 2 40.14 5.98 2.2463 -7 1 1 4 40.18 1.01 2.2445 1 3 2 4 40.22 1.43 2.2421 -2 3 2 4 40.39 1.26 2.2330 -7 0 2 2 40.43 3.03 2.2309 -6 2 1 4 40.47 3.34 2.2292 6 2 0 4 41.47 2.92 2.1775 3 2 3 4 41.79 5.27 2.1614 -3 3 2 4 42.56 1.05 2.1240 -6 2 2 4 42.66 2.56 2.1196 6 2 1 4 42.74 3.50 2.1155 7 1 1 4 42.99 1.63 2.1037 -5 0 4 2 43.90 1.09 2.0623 -2 2 4 4 43.96 1.74 2.0597 3 3 2 4 44.40 1.00 2.0401 3 1 4 4 44.74 5.82 2.0256 0 3 3 4 44.80 1.20 2.0232 -5 3 1 4 44.91 2.67 2.0182 1 2 4 4 45.14 5.59 2.0084 -2 3 3 4 45.34 1.60 2.0001 7 2 0 4 45.45 1.07 1.9957 7 0 2 2 45.97 1.06 1.9743 8 1 0 4 46.51 1.35 1.9524 5 3 1 4 46.76 4.43 1.9426 0 4 0 2 47.19 1.05 1.9261 2 3 3 4 47.52 1.05 1.9134 7 2 1 4 47.83 2.41 1.9018 -2 1 5 4 48.11 1.39 1.8914 0 1 5 4 50.26 1.66 1.8153 -4 1 5 4 50.35 1.03 1.8123 -6 3 2 4 51.06 1.43 1.7886 2 1 5 4 51.24 2.71 1.7830 -9 1 1 4 51.48 1.08 1.7752 7 2 2 4 52.18 2.01 1.7531 4 3 3 4 52.53 1.15 1.7422 -3 3 4 4 52.81 2.63 1.7334 7 3 0 4 53.66 1.98 1.7081 4 4 1 4 53.95 1.23 1.6994 -6 3 3 4 54.00 1.57 1.6981 2 3 4 4 54.02 2.02 1.6975 9 1 1 4 54.49 2.29 1.6840 -4 4 2 4 55.08 1.07 1.6674 0 4 3 4 55.37 1.51 1.6594 6 1 4 4 55.75 1.92 1.6490 -7 2 4 4 56.10 1.07 1.6395 -2 0 6 2 56.61 2.50 1.6259 9 0 2 2 56.71 1.17 1.6231 -9 2 2 4 56.87 1.03 1.6190 4 4 2 4 59.32 1.99 1.5579 0 3 5 4 59.86 1.06 1.5451 5 4 2 4 61.11 1.42 1.5164 -5 1 6 4 61.84 1.05 1.5003 1 4 4 4 61.89 3.44 1.4992 0 2 6 4 62.75 1.14 1.4807 -11 0 2 2 63.12 1.13 1.4729 -11 1 1 4 63.17 1.42 1.4718 -4 2 6 4 63.47 1.36 1.4656 -7 4 2 4 63.72 4.69 1.4605 7 2 4 4 64.06 3.22 1.4535 -9 2 4 4 65.74 1.34 1.4204 6 3 4 4 68.32 1.55 1.3729 4 5 2 4 71.00 1.01 1.3276 -5 3 6 4 71.15 1.24 1.3251 -6 5 2 4 72.07 1.42 1.3104 0 5 4 4 73.46 1.92 1.2891 11 2 2 4 77.51 1.10 1.2315 -2 0 8 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.