Osumilite Armbruster T, Oberhansli R American Mineralogist 73 (1988) 585-594 Crystal chemistry of double-ring silicates: Structural, chemical, and optical variation in osumilites Sample: Japan-Shimizu _database_code_amcsd 0001153 CELL PARAMETERS: 10.1450 10.1450 14.2890 90.000 90.000 120.000 SPACE GROUP: P6/mcc X-RAY WAVELENGTH: 1.541838 Cell Volume: 1273.610 Density (g/cm3): 2.645 MAX. ABS. INTENSITY / VOLUME**2: 9.758566801 RIR: 1.202 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 10.07 6.59 8.7858 1 0 0 6 12.39 48.14 7.1445 0 0 2 2 15.99 29.01 5.5431 1 0 2 12 17.48 42.69 5.0725 1 1 0 6 20.21 16.21 4.3929 2 0 0 6 21.48 51.93 4.1361 1 1 2 12 23.78 33.76 3.7421 2 0 2 12 24.93 18.40 3.5722 0 0 4 2 26.85 1.43 3.3207 2 1 0 12 26.94 21.58 3.3092 1 0 4 12 27.58 100.00 3.2345 2 1 1 24 29.67 14.66 3.0113 2 1 2 24 30.52 5.95 2.9286 3 0 0 6 30.61 57.18 2.9207 1 1 4 12 32.30 43.22 2.7715 2 0 4 12 32.88 10.21 2.7240 2 1 3 24 35.39 18.72 2.5363 2 2 0 6 36.89 4.62 2.4368 3 1 0 12 36.96 1.18 2.4322 2 1 4 24 37.44 5.10 2.4021 3 1 1 24 37.63 10.04 2.3901 2 2 2 12 41.63 7.85 2.1693 3 1 3 24 43.09 2.90 2.0995 4 0 2 12 43.77 2.73 2.0680 2 2 4 12 44.97 4.80 2.0156 3 2 0 12 45.04 15.49 2.0130 3 1 4 24 46.95 1.25 1.9353 2 1 6 24 47.42 6.08 1.9172 4 1 0 12 47.87 10.03 1.9002 4 1 1 24 49.14 18.30 1.8542 3 1 5 24 49.21 5.73 1.8517 4 1 2 24 49.32 5.65 1.8477 3 0 6 12 51.14 8.51 1.7861 0 0 8 2 52.05 6.74 1.7572 5 0 0 6 52.73 19.72 1.7361 2 2 6 12 53.83 1.09 1.7032 3 1 6 24 54.25 2.83 1.6908 3 3 0 6 54.30 4.61 1.6893 4 1 4 24 55.33 3.23 1.6604 4 2 0 12 55.54 1.71 1.6546 2 0 8 12 55.74 1.26 1.6493 4 2 1 24 55.88 1.68 1.6454 3 3 2 12 57.92 2.85 1.5921 4 1 5 24 58.88 3.70 1.5684 5 1 1 24 60.04 2.85 1.5408 5 1 2 24 60.14 2.37 1.5385 3 2 6 24 60.59 6.83 1.5283 3 3 4 12 60.74 3.60 1.5249 3 0 8 12 61.95 2.10 1.4979 5 1 3 24 63.73 11.15 1.4603 2 2 8 12 64.56 2.06 1.4434 5 1 4 24 64.96 3.73 1.4356 4 2 5 24 65.02 8.66 1.4345 6 0 2 12 65.12 2.42 1.4324 2 1 9 24 66.46 9.74 1.4069 5 2 0 12 66.82 4.52 1.4001 5 2 1 24 66.96 1.68 1.3975 4 1 7 24 67.85 2.18 1.3814 5 1 5 24 68.18 2.91 1.3754 1 1 10 12 68.95 1.63 1.3620 4 2 6 24 69.13 1.71 1.3588 2 0 10 12 69.36 6.47 1.3549 6 0 4 12 69.69 1.73 1.3492 5 2 3 24 70.44 2.22 1.3368 3 2 8 24 70.84 8.53 1.3302 3 1 9 24 71.94 2.67 1.3125 2 1 10 24 72.16 3.74 1.3090 5 2 4 24 73.46 2.33 1.2891 4 3 5 24 75.79 1.48 1.2551 7 0 0 6 76.26 1.81 1.2486 4 4 2 12 78.17 2.45 1.2228 4 1 9 24 78.68 2.39 1.2161 4 2 8 24 78.85 1.22 1.2140 6 2 1 24 78.87 1.83 1.2137 5 3 3 24 79.05 4.28 1.2113 5 2 6 24 79.18 3.33 1.2097 2 1 11 24 79.86 1.50 1.2010 6 2 2 24 80.13 1.50 1.1978 4 0 10 12 80.34 6.10 1.1951 4 4 4 12 81.24 1.20 1.1842 7 0 4 12 84.27 1.53 1.1492 5 3 5 24 84.42 1.01 1.1475 4 2 9 24 86.69 1.54 1.1231 4 3 8 24 87.07 1.07 1.1192 5 1 9 24 88.33 1.34 1.1065 7 1 4 24 88.46 4.55 1.1052 5 2 8 24 89.17 1.88 1.0982 8 0 0 6 89.88 1.55 1.0914 3 3 10 12 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.