Osumilite Armbruster T, Oberhansli R American Mineralogist 73 (1988) 585-594 Crystal chemistry of double-ring silicates: Structural, chemical, and optical variation in osumilites Japan-Hayasaki _database_code_amcsd 0001154 CELL PARAMETERS: 10.1500 10.1500 14.2860 90.000 90.000 120.000 SPACE GROUP: P6/mcc X-RAY WAVELENGTH: 1.541838 Cell Volume: 1274.598 Density (g/cm3): 2.650 MAX. ABS. INTENSITY / VOLUME**2: 9.014798090 RIR: 1.108 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 10.06 7.08 8.7902 1 0 0 6 12.39 55.04 7.1430 0 0 2 2 15.99 31.31 5.5435 1 0 2 12 17.47 42.72 5.0750 1 1 0 6 20.20 15.75 4.3951 2 0 0 6 21.48 56.51 4.1371 1 1 2 12 23.77 36.50 3.7432 2 0 2 12 24.93 16.81 3.5715 0 0 4 2 26.83 1.11 3.3224 2 1 0 12 26.95 22.95 3.3088 1 0 4 12 27.56 100.00 3.2360 2 1 1 24 29.66 15.73 3.0125 2 1 2 24 30.51 6.08 2.9301 3 0 0 6 30.61 57.88 2.9207 1 1 4 12 32.30 43.28 2.7717 2 0 4 12 32.87 9.41 2.7248 2 1 3 24 33.04 1.05 2.7108 3 0 2 12 35.37 19.06 2.5375 2 2 0 6 36.87 4.46 2.4380 3 1 0 12 37.42 2.99 2.4032 3 1 1 24 37.62 11.75 2.3911 2 2 2 12 41.62 10.97 2.1701 3 1 3 24 41.91 1.41 2.1556 1 1 6 12 43.07 3.04 2.1004 4 0 2 12 43.76 4.22 2.0686 2 2 4 12 44.95 4.17 2.0166 3 2 0 12 45.02 15.46 2.0136 3 1 4 24 45.42 1.10 1.9968 3 2 1 24 46.95 1.72 1.9353 2 1 6 24 47.39 7.44 1.9182 4 1 0 12 47.85 9.35 1.9011 4 1 1 24 49.12 13.11 1.8546 3 1 5 24 49.18 6.26 1.8525 4 1 2 24 49.32 5.73 1.8478 3 0 6 12 51.15 7.75 1.7858 0 0 8 2 52.02 6.22 1.7580 5 0 0 6 52.72 20.02 1.7363 2 2 6 12 53.82 1.50 1.7034 3 1 6 24 54.22 2.05 1.6917 3 3 0 6 54.28 4.42 1.6899 4 1 4 24 55.30 2.64 1.6612 4 2 0 12 55.55 1.28 1.6544 2 0 8 12 55.85 1.66 1.6461 3 3 2 12 57.03 1.13 1.6149 4 0 6 12 57.90 2.11 1.5926 4 1 5 24 58.85 2.37 1.5692 5 1 1 24 60.01 2.79 1.5416 5 1 2 24 60.13 1.94 1.5388 3 2 6 24 60.56 5.56 1.5288 3 3 4 12 60.74 3.53 1.5249 3 0 8 12 61.57 1.52 1.5062 4 2 4 24 61.92 1.55 1.4985 5 1 3 24 63.73 10.91 1.4604 2 2 8 12 64.54 1.17 1.4440 5 1 4 24 64.93 2.44 1.4361 4 2 5 24 64.98 9.16 1.4352 6 0 2 12 65.13 1.07 1.4323 2 1 9 24 66.42 6.80 1.4076 5 2 0 12 66.78 3.66 1.4008 5 2 1 24 66.95 1.82 1.3977 4 1 7 24 68.20 2.14 1.3752 1 1 10 12 68.92 1.28 1.3624 4 2 6 24 69.14 1.14 1.3586 2 0 10 12 69.33 5.74 1.3554 6 0 4 12 69.66 1.44 1.3498 5 2 3 24 70.43 1.77 1.3369 3 2 8 24 70.84 4.91 1.3302 3 1 9 24 71.95 2.24 1.3124 2 1 10 24 72.13 1.32 1.3095 5 2 4 24 73.43 1.84 1.2895 4 3 5 24 76.21 1.79 1.2492 4 4 2 12 76.53 1.50 1.2449 2 2 10 12 78.16 1.80 1.2229 4 1 9 24 78.46 1.22 1.2190 6 2 0 12 78.67 1.96 1.2163 4 2 8 24 78.83 1.52 1.2142 5 3 3 24 79.03 2.67 1.2117 5 2 6 24 79.19 2.84 1.2096 2 1 11 24 79.82 1.56 1.2016 6 2 2 24 80.13 1.21 1.1978 4 0 10 12 80.30 4.96 1.1956 4 4 4 12 86.67 1.50 1.1233 4 3 8 24 87.02 1.29 1.1197 4 4 6 12 88.44 2.72 1.1054 5 2 8 24 89.11 1.09 1.0988 8 0 0 6 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.