Walstromite Barkley M C, Downs R T, Yang H American Mineralogist 96 (2011) 797-801 Structure of walstromite, BaCa2Si3O9, and its relationship to CaSiO3-walstromite and wollastonite-II Locality: Esquire No. 8 claim, Big Creek, Fresno County, California, U.S.A. _database_code_amcsd 0018336 CELL PARAMETERS: 6.7335 9.6142 6.6859 69.638 102.281 96.855 SPACE GROUP: P-1 X-RAY WAVELENGTH: 1.541838 Cell Volume: 396.009 Density (g/cm3): 3.738 MAX. ABS. INTENSITY / VOLUME**2: 13.68108500 RIR: 1.192 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 9.83 7.50 9.0024 0 1 0 2 13.47 39.02 6.5713 1 0 0 2 14.38 9.39 6.1612 0 0 1 2 14.47 3.45 6.1207 0 1 1 2 16.30 9.44 5.4374 -1 1 0 2 17.10 10.77 5.1868 1 1 0 2 17.53 14.81 5.0577 -1 1 1 2 19.72 11.47 4.5012 0 2 0 2 19.99 8.90 4.4424 0 -1 1 2 20.20 30.83 4.3971 0 2 1 2 21.51 16.62 4.1315 1 0 1 2 21.88 1.61 4.0619 1 1 1 2 22.21 7.11 4.0017 -1 2 1 2 22.92 11.98 3.8802 -1 -1 1 2 23.40 7.59 3.8023 -1 2 0 2 25.39 21.65 3.5085 1 -1 1 2 26.33 17.41 3.3843 1 2 1 2 27.14 16.13 3.2857 2 0 0 2 27.30 13.79 3.2663 0 1 2 2 27.79 26.08 3.2100 -1 1 2 2 27.90 38.14 3.1975 -2 1 1 2 28.17 11.48 3.1674 0 -2 1 2 28.34 17.66 3.1496 -2 0 1 2 28.43 9.19 3.1399 0 3 1 2 28.45 26.79 3.1369 -2 1 0 2 28.98 9.92 3.0806 0 0 2 2 29.18 57.66 3.0603 0 2 2 2 29.40 39.79 3.0385 2 1 0 2 29.68 52.22 3.0102 -1 0 2 2 29.77 100.00 3.0008 0 3 0 2 30.59 17.25 2.9223 -1 -2 1 2 30.91 13.37 2.8929 -2 2 1 2 32.08 25.46 2.7899 -2 -1 1 2 32.09 14.15 2.7889 1 -2 1 2 32.17 10.92 2.7822 -1 3 0 2 32.95 27.98 2.7187 -2 2 0 2 33.13 25.64 2.7044 1 1 2 2 33.18 22.35 2.7003 2 0 1 2 33.37 17.71 2.6852 1 3 1 2 33.63 2.63 2.6646 2 1 1 2 33.74 21.10 2.6566 0 -1 2 2 34.08 11.65 2.6311 -1 3 2 2 34.08 3.99 2.6308 0 3 2 2 34.35 37.27 2.6111 -2 1 2 2 34.35 5.58 2.6109 1 0 2 2 34.59 5.04 2.5934 2 2 0 2 36.11 6.14 2.4871 -2 0 2 2 36.98 18.86 2.4310 2 2 1 2 38.27 11.74 2.3516 -2 -2 1 2 38.33 9.54 2.3483 1 -1 2 2 38.53 2.63 2.3364 -1 4 1 2 39.53 3.41 2.2795 -1 -3 1 2 39.66 11.13 2.2725 -2 3 0 2 40.06 2.92 2.2506 0 4 0 2 40.88 20.33 2.2077 -1 4 2 2 41.05 5.09 2.1985 0 4 2 2 41.12 2.29 2.1952 -3 0 1 2 41.21 1.63 2.1904 3 0 0 2 41.48 6.16 2.1769 -1 -2 2 2 41.78 1.36 2.1622 -1 4 0 2 41.84 11.94 2.1591 0 2 3 2 41.96 6.76 2.1530 -3 1 0 2 42.62 12.74 2.1211 2 3 1 2 42.68 5.42 2.1184 -3 2 1 2 42.98 4.26 2.1046 3 1 0 2 43.00 19.23 2.1033 2 1 2 2 43.13 9.64 2.0976 1 4 0 2 43.51 5.04 2.0801 -1 3 3 2 43.69 4.96 2.0717 -1 0 3 2 43.83 1.88 2.0657 2 0 2 2 44.07 1.72 2.0547 -3 -1 1 2 44.07 11.35 2.0546 -2 4 1 2 44.09 4.17 2.0537 0 0 3 2 44.40 6.18 2.0402 0 3 3 2 44.44 12.16 2.0384 1 -2 2 2 44.62 2.98 2.0310 2 2 2 2 44.63 3.84 2.0302 -3 1 2 2 44.95 7.74 2.0164 -2 2 3 2 45.13 7.01 2.0091 -3 2 0 2 45.32 18.73 2.0008 -2 4 2 2 45.81 2.47 1.9807 1 4 2 2 46.09 6.75 1.9693 -2 -3 1 2 46.23 3.27 1.9639 -3 0 2 2 46.48 7.68 1.9536 3 0 1 2 46.81 8.25 1.9406 1 1 3 2 46.83 3.17 1.9401 -2 -2 2 2 47.03 5.79 1.9323 3 2 0 2 47.07 5.34 1.9305 -2 3 3 2 47.39 2.14 1.9184 0 -4 1 2 47.68 4.79 1.9074 0 5 1 2 47.84 8.48 1.9012 -2 4 0 2 48.27 3.61 1.8854 3 -1 1 2 48.42 1.47 1.8799 -1 -1 3 2 48.45 6.88 1.8787 -3 3 2 2 48.47 5.31 1.8781 2 3 2 2 48.64 5.39 1.8719 0 -1 3 2 48.83 3.46 1.8650 1 0 3 2 48.91 3.97 1.8622 0 -3 2 2 49.12 1.98 1.8549 0 4 3 2 49.14 1.20 1.8541 -3 -2 1 2 49.28 2.03 1.8490 -1 -4 1 2 49.41 15.68 1.8444 0 5 2 2 49.57 3.39 1.8391 1 3 3 2 49.71 11.03 1.8341 1 -4 1 2 49.72 4.61 1.8336 3 2 1 2 49.81 10.92 1.8307 -1 -3 2 2 50.01 2.49 1.8239 -3 -1 2 2 50.26 7.32 1.8154 2 4 0 2 50.34 3.12 1.8125 -3 3 0 2 51.32 7.10 1.7804 1 5 1 2 52.11 1.39 1.7550 1 -3 2 2 52.14 14.72 1.7542 2 -2 2 2 52.30 7.18 1.7491 -2 -1 3 2 52.67 4.41 1.7378 -3 2 3 2 52.80 1.45 1.7340 -2 5 1 2 53.01 4.00 1.7275 -3 1 3 2 53.49 2.61 1.7132 -3 4 2 2 54.08 4.71 1.6958 1 4 3 2 54.21 5.45 1.6921 2 4 2 2 54.45 1.37 1.6851 3 3 1 2 54.62 9.44 1.6803 -4 1 1 2 54.91 1.23 1.6722 -1 -2 3 2 54.97 2.52 1.6704 0 -2 3 2 54.97 7.92 1.6704 -1 2 4 2 55.07 2.46 1.6677 -2 -4 1 2 55.15 1.35 1.6655 -4 0 1 2 55.90 1.09 1.6449 -3 -3 1 2 56.01 2.74 1.6417 -1 1 4 2 56.14 1.30 1.6384 -4 2 1 2 56.33 2.53 1.6331 0 2 4 2 56.73 1.45 1.6228 3 2 2 2 57.10 8.82 1.6130 -2 5 0 2 57.68 1.50 1.5981 -4 -1 1 2 57.88 2.20 1.5932 3 -3 1 2 57.94 1.99 1.5916 0 -5 1 2 58.14 3.50 1.5867 -3 4 3 2 58.16 1.01 1.5863 2 3 3 2 58.25 1.92 1.5839 0 6 1 2 58.26 1.39 1.5837 0 -4 2 2 58.33 1.69 1.5819 3 -1 2 2 58.41 2.76 1.5798 -1 6 2 2 58.56 3.06 1.5763 -2 1 4 2 58.57 2.60 1.5759 -1 6 1 2 58.62 3.12 1.5748 -4 0 2 2 58.80 1.09 1.5705 1 -2 3 2 58.94 1.29 1.5671 -1 4 4 2 59.72 6.77 1.5484 -3 -1 3 2 59.73 2.19 1.5482 -1 -5 1 2 59.84 2.55 1.5455 1 -5 1 2 60.13 4.40 1.5389 -4 3 2 2 60.41 2.13 1.5323 3 4 0 2 60.98 2.40 1.5193 4 0 1 2 60.99 3.85 1.5192 4 2 0 2 61.02 3.56 1.5185 -2 4 4 2 61.34 2.88 1.5114 1 2 4 2 61.48 1.77 1.5081 2 5 2 2 61.53 3.88 1.5071 4 1 1 2 61.58 2.66 1.5060 1 6 1 2 61.84 3.29 1.5004 0 6 0 2 62.05 1.83 1.4956 1 1 4 2 62.07 11.61 1.4953 -4 -2 1 2 62.37 1.46 1.4888 2 4 3 2 62.53 1.84 1.4855 1 3 4 2 62.71 1.74 1.4816 3 -2 2 2 62.75 2.30 1.4808 0 -3 3 2 62.82 1.80 1.4793 -1 -3 3 2 62.84 1.03 1.4787 -1 6 0 2 62.85 2.56 1.4787 -3 -3 2 2 63.16 2.09 1.4720 -4 3 0 2 63.25 1.36 1.4702 -4 2 3 2 63.38 1.07 1.4676 -3 2 4 2 63.47 1.20 1.4657 0 6 3 2 63.60 1.36 1.4629 -3 5 3 2 63.69 1.80 1.4612 -2 -4 2 2 63.71 4.70 1.4608 -1 5 4 2 63.83 8.26 1.4582 -1 -1 4 2 64.59 2.70 1.4430 -3 1 4 2 64.64 1.94 1.4419 1 0 4 2 64.69 3.66 1.4409 -4 3 3 2 64.70 2.54 1.4407 0 -1 4 2 64.81 3.89 1.4386 -4 4 1 2 64.83 3.35 1.4381 -2 6 3 2 65.02 1.94 1.4345 -2 -5 1 2 65.12 2.31 1.4325 3 -4 1 2 65.33 2.07 1.4283 0 5 4 2 65.45 1.03 1.4260 -3 5 0 2 65.55 1.21 1.4240 4 -2 1 2 65.96 1.57 1.4162 -4 0 3 2 66.54 3.83 1.4052 -3 4 4 2 66.71 9.53 1.4021 3 1 3 2 67.10 1.38 1.3949 -4 -2 2 2 67.31 1.16 1.3911 -2 6 0 2 67.99 3.69 1.3789 1 6 3 2 68.08 1.81 1.3772 3 0 3 2 68.16 1.25 1.3757 4 3 1 2 68.25 4.17 1.3743 2 6 1 2 68.25 2.05 1.3743 -3 6 2 2 68.99 1.84 1.3613 1 -1 4 2 69.16 1.31 1.3583 3 5 0 2 69.41 2.09 1.3540 3 3 3 2 70.09 2.31 1.3426 2 6 2 2 70.32 1.69 1.3386 1 5 4 2 70.48 2.37 1.3361 4 -3 1 2 70.65 1.20 1.3333 -1 3 5 2 70.71 2.09 1.3323 4 2 2 2 70.76 1.23 1.3315 2 3 4 2 70.79 1.79 1.3310 -3 5 4 2 70.95 3.05 1.3284 1 -5 2 2 71.38 2.33 1.3214 -3 -4 2 2 71.55 3.71 1.3188 -2 7 2 2 71.77 1.22 1.3152 -5 2 2 2 71.78 1.52 1.3151 4 -1 2 2 71.98 1.47 1.3120 -1 -4 3 2 72.02 1.13 1.3113 -2 3 5 2 72.05 1.11 1.3108 3 5 2 2 72.62 3.31 1.3020 0 7 3 2 72.86 1.10 1.2981 -2 -2 4 2 72.89 1.48 1.2978 -4 3 4 2 72.89 1.03 1.2978 -4 5 3 2 73.40 3.16 1.2900 3 4 3 2 74.00 3.70 1.2810 4 4 1 2 74.15 2.00 1.2787 -5 2 0 2 74.48 1.82 1.2739 0 4 5 2 74.93 3.54 1.2674 -3 6 0 2 74.95 2.13 1.2670 1 -2 4 2 75.45 2.25 1.2600 -2 -4 3 2 75.90 1.45 1.2536 -1 0 5 2 75.95 1.07 1.2529 -2 -6 1 2 76.03 1.89 1.2518 -5 -1 2 2 76.05 2.32 1.2515 3 -2 3 2 76.12 1.52 1.2505 1 7 0 2 76.19 1.61 1.2496 -5 2 3 2 76.27 1.28 1.2485 3 -4 2 2 76.57 2.22 1.2442 2 -5 2 2 76.62 3.10 1.2435 -4 0 4 2 76.64 1.98 1.2433 -3 3 5 2 76.70 1.01 1.2425 -5 1 3 2 76.91 1.31 1.2397 5 0 1 2 77.00 1.23 1.2384 1 7 3 2 77.46 1.09 1.2322 0 0 5 2 77.58 1.27 1.2306 -2 0 5 2 77.62 1.52 1.2301 -3 7 2 2 77.79 2.77 1.2278 -4 6 2 2 79.03 1.09 1.2116 1 1 5 2 79.08 1.50 1.2110 -4 5 4 2 79.42 1.35 1.2066 -4 6 3 2 80.32 2.29 1.1954 -5 4 3 2 80.56 2.61 1.1925 0 8 2 2 80.92 2.25 1.1881 -1 -6 2 2 81.19 1.79 1.1847 4 5 0 2 81.72 1.26 1.1784 0 8 1 2 81.77 1.77 1.1778 -1 8 1 2 82.45 1.26 1.1698 -3 0 5 2 82.48 1.50 1.1695 3 -3 3 2 82.77 3.24 1.1661 1 -7 1 2 83.38 1.29 1.1591 1 5 5 2 84.09 1.52 1.1511 -3 7 4 2 84.35 1.12 1.1482 -4 3 5 2 84.62 2.05 1.1453 -4 -5 1 2 84.85 1.04 1.1428 1 8 1 2 85.18 1.11 1.1391 4 5 2 2 85.32 1.15 1.1377 5 -3 1 2 85.45 2.01 1.1362 -4 6 0 2 85.49 1.76 1.1358 5 0 2 2 86.79 1.03 1.1221 3 -1 4 2 87.04 1.77 1.1196 2 1 5 2 87.25 1.16 1.1174 -1 8 4 2 87.48 1.24 1.1151 -1 -4 4 2 88.40 1.08 1.1058 -5 -2 3 2 88.97 1.26 1.1001 1 8 0 2 89.87 1.32 1.0915 5 3 2 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.