Ca2CoSi2O7 Kusaka K, Hagiya K, Ohmasa M, Okano Y, Mukai M, Iishi K, Haga N Physics and Chemistry of Minerals 28 (2001) 150-166 Determination of structures of Ca2CoSi2O7, Ca2MgSi2O7, and Ca2(Mg.55Fe.45)Si2O7 in incommensurate and normal phases and observation of diffuse streaks at high temperature Sample: T = 468 K Melilite group _database_code_amcsd 0008510 CELL PARAMETERS: 7.8563 7.8563 5.0294 90.000 90.000 90.000 SPACE GROUP: P-42_1m X-RAY WAVELENGTH: 1.541838 Cell Volume: 310.422 Density (g/cm3): 3.287 MAX. ABS. INTENSITY / VOLUME**2: 21.42420645 RIR: 2.122 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 17.63 14.67 5.0294 0 0 1 2 20.97 7.46 4.2358 1 0 1 8 23.87 36.63 3.7284 1 1 1 4 25.35 4.40 3.5134 2 1 0 8 28.84 58.11 3.0958 2 0 1 8 31.05 100.00 2.8802 2 1 1 8 32.23 12.68 2.7776 2 2 0 4 35.70 5.65 2.5147 0 0 2 2 36.16 36.72 2.4844 3 1 0 8 36.97 9.92 2.4315 2 2 1 4 37.55 5.85 2.3950 1 0 2 8 38.77 6.39 2.3228 3 0 1 8 39.33 4.40 2.2909 1 1 2 4 40.50 8.06 2.2274 3 1 1 8 44.30 11.79 2.0449 2 1 2 8 45.36 2.09 1.9994 3 2 1 8 46.22 1.77 1.9641 4 0 0 4 47.73 6.25 1.9054 4 1 0 8 48.85 10.24 1.8642 2 2 2 4 49.20 4.92 1.8517 3 3 0 4 49.84 2.70 1.8295 4 0 1 8 51.27 8.84 1.7818 4 1 1 8 51.72 32.77 1.7673 3 1 2 8 52.06 11.70 1.7567 4 2 0 8 52.67 7.62 1.7377 3 3 1 4 55.40 4.98 1.6585 4 2 1 8 55.83 2.22 1.6468 3 2 2 8 57.41 3.87 1.6050 1 1 3 4 60.00 4.03 1.5419 2 0 3 8 60.05 1.85 1.5407 5 1 0 8 61.26 4.39 1.5130 2 1 3 8 63.11 7.20 1.4732 5 1 1 8 64.73 3.74 1.4401 4 2 2 8 64.97 4.63 1.4353 2 2 3 4 66.19 2.34 1.4119 3 0 3 8 66.76 7.86 1.4011 5 2 1 8 67.39 2.60 1.3897 3 1 3 8 67.43 4.20 1.3888 4 4 0 4 69.80 2.09 1.3473 5 3 0 8 70.32 3.19 1.3387 4 4 1 4 70.70 1.15 1.3325 4 3 2 8 71.86 1.36 1.3138 5 1 2 8 72.14 4.13 1.3094 6 0 0 4 73.29 1.00 1.2916 6 1 0 8 74.40 1.00 1.2751 4 0 3 8 75.54 3.70 1.2586 4 1 3 8 75.63 1.68 1.2573 0 0 4 2 76.68 3.29 1.2428 3 3 3 4 78.71 1.63 1.2157 4 4 2 4 79.47 3.78 1.2060 6 2 1 8 80.59 1.87 1.1920 5 4 1 8 80.95 2.64 1.1876 5 3 2 8 83.18 3.12 1.1614 6 0 2 8 84.51 1.24 1.1464 4 3 3 8 84.60 1.42 1.1455 2 2 4 4 85.62 3.40 1.1344 5 1 3 8 86.81 2.68 1.1219 3 1 4 8 88.93 1.09 1.1005 5 2 3 8 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.