Bigcreekite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from single crystal data of R060432 Basciano L C, Groat L A, Roberts A C, Gault R A, Dunning G E, Walstrom R E The Canadian Mineralogist 39 (2001) 761-768 Bigcreekite: A new barium silicate mineral species from Fresno County, California Locality: Fresno County, California, USA CELL PARAMETERS: 5.0389 9.0330 18.3420 90.000 90.000 90.000 SPACE GROUP: Pnma ATOM X Y Z OCCUPANCY ISO(B) Ba 0.18514 0.25000 0.55389 1.000 1.271 Si 0.16660 0.07197 0.20374 1.000 0.695 O 0.38060 0.01460 0.26490 1.000 1.050 O 0.21390 0.00680 0.12480 1.000 1.240 O 0.17000 0.25000 0.20390 1.000 1.255 Wa 0.19450 0.25000 0.02460 1.000 1.713 Wa 0.20190 0.04100 0.44100 1.000 2.084 Wa 0.25400 0.25000 0.84480 1.000 3.119 X-RAY WAVELENGTH: 1.541838 BOUNDS ON TWO THETA: 5.0 90.0 LIMITS IMPOSED ON THE INDICES ARE: +/- 4 +/- 8 +/- 16 MAX. ABS. INTENSITY / VOLUME**2: 18.27335673 The INTENSITY cut off value is 1.00 2-THETA INTENSITY D-SPACING H K L 9.64 23.22 9.1710 0 0 2 17.52 100.00 5.0632 0 1 3 18.26 6.73 4.8589 1 0 1 19.36 10.15 4.5855 0 0 4 19.66 4.59 4.5165 0 2 0 20.11 44.22 4.4162 1 0 2 20.76 49.04 4.2791 1 1 1 21.94 68.40 4.0518 0 2 2 22.41 14.58 3.9674 1 1 2 22.87 15.50 3.8885 1 0 3 24.93 53.39 3.5716 1 1 3 26.22 12.16 3.3988 0 1 5 26.28 5.47 3.3914 1 0 4 26.95 7.21 3.3081 1 2 1 28.10 3.66 3.1750 1 1 4 28.26 8.82 3.1576 1 2 2 29.21 4.09 3.0570 0 0 6 30.08 23.40 2.9712 0 3 1 30.13 5.57 2.9657 1 0 5 31.76 14.11 2.8177 1 1 5 33.03 87.60 2.7120 1 2 4 33.17 12.72 2.7012 0 3 3 34.31 15.64 2.6136 1 0 6 35.06 8.74 2.5594 1 3 1 35.64 26.17 2.5194 2 0 0 35.68 3.69 2.5165 0 1 7 35.76 9.84 2.5106 1 1 6 36.10 1.50 2.4878 1 3 2 37.00 5.11 2.4294 2 0 2 37.04 19.37 2.4268 2 1 0 38.37 6.91 2.3461 2 1 2 38.65 2.09 2.3294 2 0 3 38.69 13.62 2.3274 0 3 5 39.30 8.06 2.2927 0 0 8 39.85 49.40 2.2622 1 2 6 39.92 23.63 2.2582 0 4 0 39.97 8.42 2.2556 2 1 3 40.04 10.02 2.2516 1 3 4 40.05 11.87 2.2514 1 1 7 41.02 2.37 2.2003 2 2 0 41.17 6.45 2.1928 0 4 2 41.33 1.28 2.1846 2 2 1 42.13 2.28 2.1449 2 1 4 42.24 4.47 2.1396 2 2 2 43.58 4.58 2.0768 2 0 5 43.72 15.34 2.0703 2 2 3 43.80 2.53 2.0670 1 2 7 44.23 1.71 2.0479 1 4 1 44.31 6.53 2.0444 0 2 8 44.78 2.29 2.0240 2 1 5 45.09 5.49 2.0106 1 4 2 45.74 1.54 1.9837 2 2 4 45.91 5.14 1.9766 0 3 7 45.98 1.14 1.9738 1 3 6 47.03 1.57 1.9322 2 3 0 47.30 4.35 1.9216 2 3 1 48.03 2.40 1.8944 1 2 8 48.13 7.42 1.8907 2 3 2 48.16 4.20 1.8893 1 0 9 48.23 3.99 1.8869 2 2 5 48.43 12.36 1.8797 1 4 4 49.27 12.97 1.8493 1 1 9 49.47 4.91 1.8424 2 3 3 49.54 9.25 1.8401 1 3 7 49.71 2.67 1.8342 0 0 10 50.23 1.41 1.8164 0 4 6 51.31 1.28 1.7805 2 1 7 52.84 3.95 1.7325 0 5 3 53.42 1.35 1.7152 1 3 8 53.61 3.59 1.7096 2 3 5 53.64 3.30 1.7088 1 4 6 53.95 3.78 1.6994 0 2 10 54.08 3.04 1.6957 2 0 8 54.16 5.15 1.6933 1 5 1 54.45 3.82 1.6850 2 2 7 54.57 6.62 1.6816 2 4 0 54.89 2.14 1.6726 3 0 1 54.91 1.07 1.6721 1 5 2 55.11 6.14 1.6666 2 1 8 55.56 3.94 1.6540 2 4 2 56.09 4.44 1.6398 0 1 11 56.14 6.57 1.6384 1 5 3 56.63 4.51 1.6252 3 1 2 56.85 3.93 1.6196 3 0 3 57.26 1.52 1.6089 0 4 8 57.60 1.89 1.6004 1 3 9 58.11 1.69 1.5875 2 2 8 58.88 3.62 1.5685 3 2 1 59.26 3.87 1.5593 1 1 11 59.43 2.22 1.5551 2 3 7 59.50 2.69 1.5537 3 1 4 59.96 2.48 1.5429 1 5 5 60.40 1.25 1.5327 1 4 8 60.57 4.01 1.5287 2 4 5 60.58 2.42 1.5285 0 0 12 60.64 1.83 1.5272 3 0 5 61.60 2.78 1.5055 0 6 0 62.13 1.03 1.4939 1 2 11 62.36 2.31 1.4890 3 2 4 62.50 1.78 1.4861 1 5 6 62.65 1.24 1.4829 2 0 10 63.35 4.17 1.4682 2 5 0 63.59 1.12 1.4633 2 1 10 64.09 6.90 1.4529 3 1 6 64.25 1.35 1.4497 2 5 2 64.28 1.61 1.4491 1 4 9 64.31 1.31 1.4484 3 3 2 65.37 1.08 1.4276 2 5 3 65.43 2.52 1.4265 1 5 7 65.50 1.60 1.4250 1 6 2 65.57 3.89 1.4237 0 4 10 66.35 2.19 1.4089 2 2 10 66.76 1.44 1.4012 1 3 11 66.85 1.50 1.3996 3 2 6 66.98 8.96 1.3971 3 3 4 67.15 1.20 1.3940 0 1 13 67.28 3.40 1.3915 1 2 12 67.34 2.07 1.3905 2 0 11 68.15 1.44 1.3760 1 6 4 68.24 1.94 1.3743 2 1 11 69.30 1.04 1.3560 2 4 8 69.68 1.97 1.3495 3 2 7 70.00 2.22 1.3441 3 4 1 70.83 3.12 1.3303 2 3 10 71.31 1.57 1.3225 3 3 6 72.30 1.20 1.3068 2 0 12 72.37 5.06 1.3057 1 5 9 72.45 8.61 1.3046 1 6 6 72.99 4.00 1.2962 3 0 9 73.18 1.62 1.2933 2 1 12 73.24 1.54 1.2923 2 6 0 74.23 3.39 1.2776 0 3 13 74.89 2.75 1.2680 1 0 14 75.14 3.26 1.2644 2 6 3 75.26 1.47 1.2626 0 7 3 75.55 3.10 1.2584 0 6 8 76.33 2.77 1.2477 4 1 0 76.92 1.85 1.2395 2 4 10 77.15 2.96 1.2364 2 5 8 77.16 1.36 1.2363 4 1 2 77.21 1.73 1.2356 3 3 8 77.98 1.31 1.2253 0 5 11 78.32 1.05 1.2208 1 2 14 78.44 1.53 1.2192 3 5 2 78.59 1.41 1.2173 0 7 5 79.02 1.18 1.2117 0 1 15 79.10 1.04 1.2108 4 2 1 80.07 1.59 1.1985 3 4 7 80.71 1.79 1.1906 1 5 11 80.74 1.90 1.1902 4 2 3 80.94 2.86 1.1877 2 2 13 83.93 2.25 1.1529 4 3 2 84.01 2.15 1.1520 4 2 5 84.67 1.37 1.1447 3 2 11 84.99 2.93 1.1412 3 5 6 85.15 1.97 1.1395 2 3 13 86.15 1.15 1.1288 2 7 3 86.43 1.49 1.1258 2 6 8 86.59 2.55 1.1242 3 4 9 88.42 1.93 1.1056 1 4 14 89.41 1.98 1.0959 4 1 8 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.