Chegemite Galuskin E V, Gazeev V M, Lazic B, Armbruster T, Galuskina I O, Zadov A E, Pertsev N N, Wrzalik R, Dzierzanowski P, Gurbanov A G, Bzowska G European Journal of Mineralogy 21 (2009) 1045-1059 Chegemite Ca7(SiO4)3(OH)2 - a new humite-group mineral from the Northern Caucasus, Kabardino-Balkaria, Russia Locality: in the high-temperature skarns in calcareous xenoliths in ignimbrites of the Upper Chegem volcanic structure, Northern Caucasus, Kabardino-Balkaria, Russia _database_code_amcsd 0007334 CELL PARAMETERS: 5.0696 11.3955 23.5571 90.000 90.000 90.000 SPACE GROUP: Pbnm X-RAY WAVELENGTH: 1.541838 Cell Volume: 1360.908 Density (g/cm3): 2.885 MAX. ABS. INTENSITY / VOLUME**2: 6.556773709 RIR: 0.740 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 7.51 4.92 11.7786 0 0 2 2 15.04 3.59 5.8893 0 0 4 2 15.55 3.77 5.6978 0 2 0 2 16.00 14.05 5.5381 0 2 1 4 17.29 16.69 5.1291 0 2 2 4 19.16 1.12 4.6319 1 1 0 4 20.60 1.29 4.3106 1 1 2 8 20.86 14.33 4.2591 1 0 3 4 21.70 27.03 4.0950 0 2 4 4 22.28 15.90 3.9895 1 1 3 8 22.65 7.82 3.9262 0 0 6 2 23.79 14.46 3.7394 1 2 1 8 24.45 59.65 3.6408 1 1 4 8 24.69 1.16 3.6056 1 2 2 8 25.82 4.03 3.4512 1 0 5 4 26.12 2.32 3.4114 1 2 3 8 26.99 7.42 3.3030 1 1 5 8 28.01 3.08 3.1855 1 2 4 8 29.38 50.95 3.0399 1 3 0 4 29.63 65.44 3.0149 1 3 1 8 29.83 60.95 2.9950 1 1 6 8 30.35 9.67 2.9446 0 0 8 2 30.37 4.38 2.9434 1 3 2 8 30.86 29.69 2.8976 0 2 7 4 31.40 6.61 2.8489 0 4 0 2 31.56 56.32 2.8349 1 3 3 8 31.92 1.18 2.8038 1 0 7 4 32.90 70.81 2.7226 1 1 7 8 33.16 53.40 2.7012 1 3 4 8 33.46 19.90 2.6781 0 4 3 4 35.13 11.18 2.5543 1 3 5 8 35.41 10.81 2.5348 2 0 0 2 35.69 34.06 2.5157 1 2 7 8 36.15 23.83 2.4850 1 1 8 8 36.17 22.42 2.4836 1 4 0 4 36.31 8.97 2.4743 2 1 0 4 36.51 2.30 2.4608 2 1 1 8 36.87 1.60 2.4378 0 4 5 4 37.13 1.41 2.4215 2 1 2 8 37.41 7.31 2.4036 1 3 6 8 38.13 5.43 2.3599 2 1 3 8 39.06 5.24 2.3058 0 4 6 4 39.50 5.40 2.2812 2 1 4 8 41.21 1.10 2.1906 2 1 5 8 41.92 6.29 2.1553 2 2 4 8 43.08 7.65 2.0998 1 1 10 8 43.72 2.22 2.0707 1 5 1 8 44.25 1.14 2.0471 1 5 2 8 45.12 6.18 2.0095 1 5 3 8 45.34 4.52 2.0003 1 2 10 8 46.01 1.71 1.9728 1 0 11 4 46.32 3.42 1.9602 1 5 4 8 46.73 7.90 1.9438 1 1 11 8 47.32 3.61 1.9211 2 0 8 4 47.67 100.00 1.9078 2 2 7 8 48.04 34.05 1.8937 2 4 0 4 48.91 9.06 1.8620 1 3 10 8 49.51 16.62 1.8409 2 4 3 8 49.62 5.18 1.8371 1 5 6 8 50.49 23.28 1.8076 0 6 4 4 50.49 2.11 1.8075 1 1 12 8 51.53 1.23 1.7735 1 6 1 8 51.69 11.20 1.7685 1 5 7 8 52.05 1.61 1.7571 2 4 5 8 52.25 13.49 1.7507 1 3 11 8 53.03 6.95 1.7269 0 2 13 4 53.53 15.85 1.7118 0 4 11 4 53.74 6.24 1.7057 2 4 6 8 53.85 1.02 1.7026 1 6 4 8 54.00 3.23 1.6982 1 5 8 8 54.54 31.11 1.6826 0 0 14 2 54.93 2.38 1.6716 3 1 0 4 55.08 4.07 1.6674 3 1 1 8 55.56 38.87 1.6540 0 6 7 4 55.63 1.31 1.6520 3 0 3 4 55.74 2.86 1.6491 1 3 12 8 56.27 5.98 1.6350 3 1 3 8 56.50 1.17 1.6287 2 5 4 8 56.76 2.25 1.6219 1 4 11 8 56.97 1.85 1.6163 3 2 1 8 57.29 4.72 1.6081 3 1 4 8 59.38 5.39 1.5565 1 3 13 8 59.65 11.47 1.5500 1 7 0 4 59.80 7.60 1.5466 1 7 1 8 59.91 2.78 1.5440 3 3 0 4 60.05 3.05 1.5407 3 3 1 8 60.17 3.07 1.5380 3 1 6 8 61.18 4.06 1.5150 3 3 3 8 61.99 5.08 1.4971 3 1 7 8 62.15 4.37 1.4935 3 3 4 8 62.24 2.14 1.4916 1 5 11 8 62.85 6.04 1.4786 0 6 10 4 63.16 5.20 1.4722 1 3 14 8 63.18 3.89 1.4717 2 6 4 8 63.76 11.96 1.4598 3 2 7 8 64.05 1.87 1.4537 3 1 8 8 64.07 3.75 1.4534 3 4 0 4 64.30 2.25 1.4488 0 4 14 4 65.29 3.53 1.4291 3 4 3 8 65.39 1.39 1.4272 1 5 12 8 65.83 2.82 1.4186 2 4 11 8 66.72 5.76 1.4019 2 0 14 4 67.08 3.17 1.3953 1 3 15 8 67.63 4.83 1.3852 2 6 7 8 68.40 1.33 1.3716 1 7 8 8 68.72 2.66 1.3659 1 5 13 8 70.30 1.31 1.3390 0 8 6 4 71.06 1.89 1.3266 3 0 11 4 71.61 1.26 1.3177 3 1 11 8 72.75 1.14 1.2998 2 2 15 8 73.87 2.19 1.2829 3 5 6 8 74.26 1.35 1.2772 2 6 10 8 74.37 1.24 1.2755 0 2 18 4 74.84 1.84 1.2687 2 7 7 8 74.93 5.81 1.2674 4 0 0 2 75.38 1.93 1.2609 1 3 17 8 75.49 1.39 1.2594 1 1 18 8 75.52 4.81 1.2589 3 5 7 8 75.60 7.45 1.2578 2 4 14 8 75.98 3.19 1.2524 3 3 11 8 76.07 1.18 1.2512 0 8 9 4 76.65 1.17 1.2431 1 8 8 8 76.75 2.14 1.2418 2 8 0 4 77.29 2.46 1.2344 3 6 4 8 77.42 2.34 1.2328 3 5 8 8 77.72 1.22 1.2287 3 1 13 8 77.88 2.91 1.2266 2 8 3 8 79.33 1.52 1.2078 3 2 13 8 79.74 3.16 1.2026 3 4 11 8 79.78 3.21 1.2021 1 3 18 8 80.13 1.11 1.1977 1 1 19 8 81.25 1.39 1.1840 2 8 6 8 81.76 2.46 1.1779 1 7 13 8 81.99 2.15 1.1752 3 3 13 8 82.23 3.86 1.1724 3 7 0 4 82.23 3.25 1.1724 1 9 6 8 82.35 3.10 1.1710 3 7 1 8 82.91 1.07 1.1645 2 6 13 8 83.20 6.78 1.1612 4 2 7 8 83.48 2.73 1.1580 4 4 0 4 83.84 6.86 1.1540 1 9 7 8 84.37 1.96 1.1480 1 3 19 8 84.96 2.30 1.1415 1 1 20 8 85.10 6.45 1.1400 1 7 14 8 85.16 1.17 1.1394 2 2 18 8 85.27 1.39 1.1382 0 10 1 4 85.32 2.26 1.1376 3 3 14 8 85.68 3.37 1.1337 1 9 8 8 87.11 2.90 1.1188 0 10 4 4 87.16 1.95 1.1183 2 4 17 8 88.66 2.36 1.1032 1 7 15 8 88.92 1.22 1.1006 0 2 21 4 89.00 1.44 1.0999 3 4 14 8 89.32 1.04 1.0968 4 5 3 8 90.00 2.54 1.0902 1 1 21 8 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.