Hydroxyledgrewite Galuskin E V, Lazic B, Armbruster T, Galuskina I O, Pertsev N N, Gazeev V M, Wlodyka R, Dulski M, Dzierzanowski P, Zadov A E, Dubrovinsky L S American Mineralogist 97 (2012) 1998-2006 Edgrewite Ca9(SiO4)4F2-hydroxyledgrewite Ca9(SiO4)4(OH)2, a new series of calcium humite-group minerals from altered xenoliths in the ignimbrite of Upper Chegem caldera, Northern Caucasus, Kabardino-Balkaria, Russia Locality: Upper Chegem caldera, Northern Caucasus, Kabardino-Balkaria, Russia _database_code_amcsd 0019558 CELL PARAMETERS: 5.0672 11.3545 15.3941 100.587 90.000 90.000 SPACE GROUP: P2_1/b X-RAY WAVELENGTH: 1.541838 Cell Volume: 870.630 Density (g/cm3): 2.916 MAX. ABS. INTENSITY / VOLUME**2: 6.673169022 RIR: 0.745 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 5.84 2.95 15.1320 0 0 1 2 11.70 1.66 7.5660 0 0 2 2 15.88 1.56 5.5806 0 2 0 2 15.88 19.08 5.5792 0 -2 1 2 17.58 1.75 5.0440 0 0 3 2 17.92 4.10 4.9490 0 2 1 2 17.93 9.61 4.9461 0 -2 2 2 20.55 1.15 4.3227 1 1 1 4 21.10 15.03 4.2102 1 0 2 4 21.45 17.57 4.1422 0 2 2 2 21.47 13.27 4.1394 0 -2 3 2 21.79 2.19 4.0794 1 -1 2 4 23.33 39.01 3.8126 1 1 2 4 23.52 7.06 3.7830 0 0 4 2 23.72 8.90 3.7515 1 2 0 4 23.72 5.05 3.7510 1 -2 1 4 24.91 3.30 3.5748 1 0 3 4 25.15 30.89 3.5410 1 -1 3 4 25.15 3.12 3.5405 1 2 1 4 27.17 2.30 3.2826 1 1 3 4 27.83 4.04 3.2057 1 -2 3 4 29.37 25.76 3.0408 1 -1 4 4 29.47 1.13 3.0314 1 0 4 4 29.49 95.37 3.0285 1 -3 1 4 29.52 10.14 3.0264 0 0 5 2 29.79 22.77 2.9989 1 3 0 4 30.39 2.61 2.9411 1 -3 2 4 30.90 15.59 2.8941 0 2 4 2 30.92 13.38 2.8924 0 -2 5 2 31.25 26.96 2.8620 1 3 1 4 31.52 6.60 2.8386 0 -4 1 2 31.71 74.26 2.8222 1 1 4 4 32.39 61.85 2.7638 1 -3 3 4 33.72 10.56 2.6583 0 4 1 2 33.73 8.35 2.6571 0 -4 3 2 33.74 29.16 2.6564 1 3 2 4 34.18 52.46 2.6236 1 -1 5 4 35.43 10.78 2.5336 2 0 0 2 35.73 15.76 2.5131 1 2 4 4 35.74 16.49 2.5120 1 -2 5 4 36.27 22.73 2.4765 1 -4 1 4 36.33 1.89 2.4731 0 -4 4 2 36.36 11.62 2.4707 2 1 0 4 36.73 4.70 2.4468 1 1 5 4 37.08 7.90 2.4248 1 3 3 4 37.84 3.05 2.3774 2 -1 2 4 38.80 6.78 2.3210 2 1 2 4 39.03 3.13 2.3079 1 -3 5 4 39.39 1.60 2.2873 1 -1 6 4 39.68 1.30 2.2712 0 4 3 2 39.71 3.52 2.2698 0 -4 5 2 39.97 3.52 2.2554 2 -1 3 4 41.79 2.90 2.1614 2 2 2 4 41.80 2.99 2.1610 2 -2 3 4 42.12 2.68 2.1455 1 1 6 4 42.99 1.23 2.1041 2 -3 1 4 43.71 2.46 2.0711 1 -5 1 4 43.92 1.43 2.0613 1 -5 2 4 44.93 8.82 2.0173 1 -1 7 4 44.99 3.21 2.0150 1 -5 3 4 45.63 1.80 1.9883 1 0 7 4 45.76 2.75 1.9827 1 2 6 4 45.78 2.08 1.9819 1 -2 7 4 45.81 5.54 1.9808 1 5 1 4 46.76 2.87 1.9427 2 0 5 4 46.86 1.06 1.9389 1 -5 4 4 47.71 49.78 1.9063 2 2 4 4 47.72 50.22 1.9058 2 -2 5 4 47.80 4.51 1.9028 1 1 7 4 48.10 3.61 1.8915 1 -3 7 4 48.14 33.22 1.8902 2 -4 1 4 49.46 1.20 1.8430 1 -5 5 4 49.71 10.15 1.8340 2 4 1 4 49.72 6.22 1.8336 2 -4 3 4 50.52 11.03 1.8065 0 6 1 2 50.54 11.52 1.8058 0 -6 4 2 50.62 13.36 1.8031 1 3 6 4 50.98 9.09 1.7915 1 5 3 4 51.65 2.13 1.7697 2 -4 4 4 52.71 7.82 1.7366 1 -5 6 4 53.25 8.73 1.7204 0 4 6 2 53.28 6.96 1.7192 0 -4 8 2 53.30 7.99 1.7188 1 -3 8 4 53.75 1.17 1.7053 1 1 8 4 53.97 2.61 1.6990 0 2 8 2 53.99 3.05 1.6984 0 -2 9 2 54.24 1.62 1.6912 2 4 3 4 54.26 4.50 1.6906 2 -4 5 4 54.58 31.61 1.6813 0 0 9 2 54.98 5.13 1.6701 3 1 0 4 55.16 1.82 1.6650 3 -1 1 4 55.72 19.36 1.6497 0 6 3 2 55.76 19.92 1.6487 0 -6 6 2 55.76 1.22 1.6485 3 0 2 4 56.07 2.78 1.6403 3 -1 2 4 56.07 1.11 1.6402 2 5 1 4 56.53 1.57 1.6281 1 -4 8 4 56.78 6.01 1.6214 3 1 2 4 56.96 1.19 1.6166 3 -2 1 4 57.67 2.08 1.5986 3 -1 3 4 58.86 3.67 1.5690 1 -3 9 4 59.89 17.22 1.5443 1 -7 2 4 59.93 1.36 1.5436 3 -1 4 4 60.00 4.85 1.5419 3 -3 1 4 60.41 1.11 1.5323 1 -7 3 4 61.02 1.76 1.5185 3 3 1 4 61.29 4.46 1.5125 3 1 4 4 61.70 4.89 1.5033 3 -3 3 4 61.74 5.94 1.5026 1 3 8 4 62.53 2.26 1.4853 3 3 2 4 62.81 3.87 1.4795 3 -1 5 4 63.21 1.94 1.4710 1 5 6 4 63.22 2.46 1.4709 2 6 1 4 63.23 1.20 1.4705 2 -6 4 4 63.31 3.12 1.4689 0 6 5 2 63.36 3.04 1.4680 0 -6 8 2 63.80 6.49 1.4588 3 2 4 4 63.81 5.98 1.4586 3 -2 5 4 64.16 3.72 1.4515 3 -4 1 4 64.38 1.11 1.4471 0 4 8 2 64.43 1.21 1.4462 0 -4 10 2 64.77 4.65 1.4394 1 -3 10 4 65.47 1.56 1.4256 3 4 1 4 65.48 2.19 1.4254 3 -4 3 4 65.63 1.61 1.4226 2 -4 8 4 66.77 6.02 1.4009 2 0 9 4 67.79 2.46 1.3825 2 6 3 4 67.82 2.42 1.3819 2 -6 6 4 68.27 1.91 1.3739 1 5 7 4 70.79 1.88 1.3310 3 0 7 4 71.01 1.56 1.3274 1 -5 10 4 74.27 1.00 1.2770 1 3 10 4 74.39 1.19 1.2752 2 -7 6 4 74.69 2.33 1.2709 3 3 6 4 74.97 5.72 1.2668 4 0 0 2 74.97 4.03 1.2668 3 5 3 4 75.69 3.80 1.2565 2 4 8 4 75.73 3.60 1.2560 2 -4 10 4 75.74 1.33 1.2558 2 7 3 4 76.38 4.07 1.2469 3 -5 6 4 76.84 1.45 1.2406 1 -1 12 4 76.86 2.04 1.2403 3 -3 8 4 77.01 2.28 1.2383 2 -8 2 4 77.34 1.19 1.2338 3 6 1 4 77.36 1.35 1.2336 3 -6 4 4 77.68 2.78 1.2293 1 -3 12 4 78.22 1.69 1.2221 2 8 0 4 78.24 1.13 1.2219 2 -8 4 4 79.53 1.85 1.2053 3 4 6 4 79.56 1.46 1.2049 3 -4 8 4 81.12 2.61 1.1856 1 3 11 4 81.56 1.23 1.1803 3 -3 9 4 82.36 1.03 1.1708 4 -1 5 4 82.46 6.08 1.1697 3 -7 2 4 83.26 3.45 1.1605 4 2 4 4 83.27 3.29 1.1604 4 -2 5 4 83.48 6.07 1.1579 1 9 2 4 83.58 2.74 1.1568 4 -4 1 4 83.97 5.09 1.1525 1 7 7 4 84.08 2.46 1.1513 3 3 8 4 84.23 1.63 1.1495 1 -1 13 4 84.87 5.84 1.1425 1 -9 7 4 86.72 5.04 1.1228 1 -7 11 4 86.79 1.78 1.1221 3 -3 10 4 87.37 1.24 1.1161 0 10 0 2 87.40 1.52 1.1158 0 -10 5 2 87.73 1.21 1.1125 2 4 10 4 88.09 2.59 1.1088 1 1 13 4 89.85 1.07 1.0917 4 5 1 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.