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: PC135 Locality: sample from Pico Cabugi, Brazil Note: z-coordinate of O2 altered to match reported bond lengths _database_code_amcsd 0007727 CELL PARAMETERS: 9.6990 8.8610 5.2670 90.000 106.870 90.000 SPACE GROUP: C2/c X-RAY WAVELENGTH: 1.541838 Cell Volume: 433.181 Density (g/cm3): 3.326 MAX. ABS. INTENSITY / VOLUME**2: 11.18404850 RIR: 1.095 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 20.04 4.18 4.4305 0 2 0 2 26.79 12.10 3.3277 0 2 1 4 27.84 25.60 3.2046 2 2 0 4 29.89 100.00 2.9891 -2 2 1 4 30.61 35.01 2.9209 3 1 0 4 30.89 33.35 2.8946 -3 1 1 4 35.12 30.05 2.5550 -1 3 1 4 35.25 2.32 2.5461 -2 0 2 2 35.62 41.14 2.5202 0 0 2 2 36.10 38.32 2.4880 2 2 1 4 39.68 14.43 2.2716 3 1 1 4 40.88 1.04 2.2076 -2 2 2 4 41.03 10.52 2.2000 1 1 2 4 41.21 7.68 2.1906 0 2 2 4 42.30 7.06 2.1364 3 3 0 4 42.52 20.64 2.1260 -3 3 1 4 43.04 8.62 2.1016 -4 2 1 4 44.05 1.03 2.0555 4 2 0 4 44.68 16.36 2.0280 0 4 1 4 44.76 12.27 2.0248 -4 0 2 2 45.68 7.55 1.9861 2 0 2 2 46.19 5.08 1.9654 -1 3 2 4 46.74 1.45 1.9435 -2 4 1 4 49.57 1.63 1.8390 3 3 1 4 50.21 5.33 1.8169 5 1 0 4 50.35 3.54 1.8123 2 2 2 4 50.70 2.58 1.8004 1 3 2 4 52.20 1.11 1.7523 4 2 1 4 52.57 12.03 1.7408 1 5 0 4 53.11 1.25 1.7243 -5 1 2 4 54.19 1.49 1.6925 3 1 2 4 55.09 5.06 1.6671 -3 1 3 4 55.21 4.47 1.6638 0 4 2 4 56.52 16.93 1.6282 -2 2 3 4 56.92 15.74 1.6176 -5 3 1 4 57.52 4.09 1.6023 4 4 0 4 58.75 1.32 1.5717 5 3 0 4 59.78 3.63 1.5469 6 0 0 2 60.17 4.85 1.5378 3 5 0 4 60.46 5.22 1.5313 -6 0 2 2 61.02 1.78 1.5184 -6 2 1 4 61.70 5.85 1.5034 4 0 2 2 61.76 13.21 1.5020 -1 3 3 4 62.84 1.70 1.4788 2 4 2 4 62.93 5.48 1.4768 0 6 0 2 64.37 2.11 1.4473 -6 2 2 4 65.57 1.08 1.4237 4 2 2 4 65.91 1.65 1.4172 0 6 1 4 66.50 8.57 1.4060 -3 5 2 4 66.53 18.78 1.4055 5 3 1 4 66.98 2.98 1.3972 1 5 2 4 67.99 3.81 1.3787 2 2 3 4 68.29 1.77 1.3736 -2 4 3 4 70.32 1.06 1.3387 0 4 3 4 70.85 6.64 1.3300 -7 1 2 4 71.40 3.54 1.3211 -5 3 3 4 72.01 1.31 1.3113 7 1 0 4 72.09 2.75 1.3101 6 2 1 4 72.22 1.05 1.3081 5 1 2 4 73.20 3.90 1.2930 -3 1 4 4 73.65 1.17 1.2862 -1 1 4 4 74.24 2.42 1.2775 -2 6 2 4 74.46 6.51 1.2742 0 6 2 4 74.54 2.02 1.2731 -4 0 4 2 75.44 3.03 1.2601 0 0 4 2 75.87 1.03 1.2540 -7 3 1 4 77.19 6.94 1.2358 3 5 2 4 79.46 1.62 1.2061 1 7 1 4 83.28 1.33 1.1602 8 0 0 2 83.76 2.84 1.1548 -6 0 4 2 88.99 1.19 1.1000 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.