Diopside Salviulo G, Princivalle F, Demarchi G, Fabro C Physics and Chemistry of Minerals 19 (1992) 213-219 Effects of Ca-Mg substitution in C2/c pyroxene structure on natural clinopyroxenes from spinel peridotite nodules (Pico Cabugi, Brazil) Sample: PC138 Locality: sample from Pico Cabugi, Brazil _database_code_amcsd 0007728 CELL PARAMETERS: 9.7090 8.8750 5.2630 90.000 106.620 90.000 SPACE GROUP: C2/c X-RAY WAVELENGTH: 1.541838 Cell Volume: 434.553 Density (g/cm3): 3.324 MAX. ABS. INTENSITY / VOLUME**2: 11.19483925 RIR: 1.097 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 20.01 3.82 4.4375 0 2 0 2 26.76 11.70 3.3314 0 2 1 4 27.78 25.84 3.2108 2 2 0 4 29.89 100.00 2.9890 -2 2 1 4 30.54 34.15 2.9276 3 1 0 4 30.90 34.26 2.8938 -3 1 1 4 35.09 30.30 2.5570 -1 3 1 4 35.30 2.29 2.5423 -2 0 2 2 35.60 41.32 2.5216 0 0 2 2 36.00 39.50 2.4945 2 2 1 4 39.55 15.05 2.2788 3 1 1 4 40.91 1.09 2.2059 -2 2 2 4 40.95 10.33 2.2037 1 1 2 4 41.18 7.87 2.1923 0 2 2 4 42.22 7.63 2.1406 3 3 0 4 42.50 20.69 2.1272 -3 3 1 4 43.02 8.88 2.1026 -4 2 1 4 43.95 1.04 2.0600 4 2 0 4 44.62 16.64 2.0309 0 4 1 4 44.82 12.51 2.0220 -4 0 2 2 45.56 7.90 1.9910 2 0 2 2 46.17 5.68 1.9661 -1 3 2 4 46.70 1.19 1.9452 -2 4 1 4 49.43 1.75 1.8438 3 3 1 4 50.09 5.56 1.8211 5 1 0 4 50.22 3.49 1.8166 2 2 2 4 50.62 2.68 1.8034 1 3 2 4 52.03 1.08 1.7576 4 2 1 4 52.48 12.37 1.7436 1 5 0 4 53.16 1.36 1.7229 -5 1 2 4 54.03 1.28 1.6973 3 1 2 4 55.14 4.53 1.6657 0 4 2 4 55.17 5.22 1.6648 -3 1 3 4 56.56 17.04 1.6271 -2 2 3 4 56.87 15.39 1.6191 -5 3 1 4 57.40 4.14 1.6054 4 4 0 4 58.61 1.45 1.5750 5 3 0 4 59.63 3.72 1.5506 6 0 0 2 60.06 4.90 1.5405 3 5 0 4 60.49 5.29 1.5305 -6 0 2 2 60.96 1.90 1.5199 -6 2 1 4 61.48 6.04 1.5081 4 0 2 2 61.75 13.44 1.5023 -1 3 3 4 62.70 1.79 1.4819 2 4 2 4 62.82 5.36 1.4792 0 6 0 2 64.39 2.19 1.4469 -6 2 2 4 65.35 1.08 1.4279 4 2 2 4 65.80 1.84 1.4194 0 6 1 4 66.32 18.91 1.4095 5 3 1 4 66.48 8.63 1.4065 -3 5 2 4 66.85 3.28 1.3994 1 5 2 4 67.84 3.89 1.3814 2 2 3 4 68.29 1.68 1.3735 -2 4 3 4 70.25 1.14 1.3399 0 4 3 4 70.86 6.61 1.3299 -7 1 2 4 71.48 3.50 1.3198 -5 3 3 4 71.82 1.27 1.3144 7 1 0 4 71.85 2.96 1.3140 6 2 1 4 71.96 1.02 1.3122 5 1 2 4 73.29 3.83 1.2916 -3 1 4 4 73.66 1.34 1.2861 -1 1 4 4 74.17 2.54 1.2785 -2 6 2 4 74.35 6.29 1.2759 0 6 2 4 74.67 1.97 1.2711 -4 0 4 2 75.39 3.04 1.2608 0 0 4 2 75.76 1.05 1.2555 -7 3 1 4 76.98 7.02 1.2386 3 5 2 4 79.30 1.71 1.2081 1 7 1 4 83.05 1.41 1.1629 8 0 0 2 83.93 2.88 1.1528 -6 0 4 2 88.80 1.30 1.1019 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.