Omphacite Pavese A, Bocchio R, Ivaldi G Mineralogical Magazine 64 (2000) 983-993 In situ high temperature single crystal X-ray diffraction study of a natural omphacite Locality: Gorduno, Lepontine Alps, Switzerland Note: structure at room temperature (T=298K), after being heated to 1073K _database_code_amcsd 0014549 CELL PARAMETERS: 9.5630 8.7760 5.2540 90.000 106.900 90.000 SPACE GROUP: P2/n X-RAY WAVELENGTH: 1.541838 Cell Volume: 421.899 Density (g/cm3): 3.324 MAX. ABS. INTENSITY / VOLUME**2: 11.50521201 RIR: 1.127 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 13.98 1.71 6.3337 1 1 0 4 17.49 1.30 5.0719 -1 0 1 2 20.22 2.02 4.3913 -1 1 1 4 20.24 10.15 4.3880 0 2 0 2 26.97 9.61 3.3058 0 2 1 4 28.18 16.73 3.1668 2 2 0 4 30.18 100.00 2.9617 -2 2 1 4 31.04 34.99 2.8810 3 1 0 4 31.26 29.87 2.8614 -3 1 1 4 35.40 2.60 2.5359 -2 0 2 2 35.42 22.51 2.5340 -1 3 1 4 35.72 40.36 2.5135 0 0 2 2 36.45 38.22 2.4651 2 2 1 4 40.12 14.78 2.2475 3 1 1 4 41.22 12.75 2.1901 1 1 2 4 41.40 8.85 2.1811 0 2 2 4 42.83 7.48 2.1112 3 3 0 4 43.00 16.27 2.1035 -3 3 1 4 43.60 7.68 2.0759 -4 2 1 4 45.09 18.69 2.0108 0 4 1 4 45.18 9.66 2.0070 -4 0 2 2 45.97 5.09 1.9741 2 0 2 2 46.46 5.24 1.9544 -1 3 2 4 47.21 2.47 1.9252 -2 4 1 4 48.87 1.11 1.8635 -5 1 1 4 49.97 1.30 1.8251 -4 2 2 4 50.12 1.48 1.8202 3 3 1 4 50.71 1.73 1.8003 2 2 2 4 50.98 6.03 1.7915 5 1 0 4 51.04 2.61 1.7893 1 3 2 4 53.13 10.69 1.7238 1 5 0 4 53.72 1.52 1.7063 -5 1 2 4 54.65 1.32 1.6793 3 1 2 4 55.34 6.18 1.6601 -3 1 3 4 55.39 1.10 1.6587 -1 5 1 4 55.60 5.06 1.6529 0 4 2 4 56.75 15.38 1.6222 -2 2 3 4 57.71 15.89 1.5975 -5 3 1 4 58.27 6.64 1.5834 4 4 0 4 59.59 1.18 1.5514 5 3 0 4 60.73 3.21 1.5250 6 0 0 2 60.90 5.23 1.5213 3 5 0 4 61.25 5.11 1.5134 -6 0 2 2 61.95 2.11 1.4980 -6 2 1 4 62.05 13.20 1.4957 -1 3 3 4 62.32 6.34 1.4899 4 0 2 2 63.38 1.34 1.4675 2 4 2 4 63.61 4.80 1.4627 0 6 0 2 65.21 1.75 1.4307 -6 2 2 4 66.25 2.43 1.4108 4 2 2 4 66.59 1.38 1.4044 0 6 1 4 67.14 11.19 1.3941 -3 5 2 4 67.42 16.75 1.3891 5 3 1 4 67.56 2.51 1.3866 1 5 2 4 68.41 5.31 1.3714 2 2 3 4 68.71 1.95 1.3661 -2 4 3 4 70.75 1.00 1.3317 0 4 3 4 71.87 7.69 1.3135 -7 1 2 4 72.05 3.60 1.3108 -5 3 3 4 73.14 3.62 1.2939 6 2 1 4 73.21 1.33 1.2929 7 1 0 4 73.47 5.18 1.2889 -3 1 4 4 73.86 1.77 1.2830 -1 1 4 4 74.89 1.31 1.2680 -4 0 4 2 74.95 2.97 1.2670 -2 6 2 4 75.15 7.20 1.2642 0 6 2 4 75.67 3.77 1.2568 0 0 4 2 77.08 1.52 1.2373 -7 3 1 4 77.43 1.29 1.2326 4 4 2 4 77.99 7.44 1.2252 3 5 2 4 78.61 1.59 1.2171 -1 7 1 4 80.36 2.17 1.1949 1 7 1 4 84.44 3.74 1.1473 -6 0 4 2 84.76 1.31 1.1438 8 0 0 2 89.50 1.36 1.0950 2 2 4 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.