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: PC105 Locality: sample from Pico Cabugi, Brazil _database_code_amcsd 0007729 CELL PARAMETERS: 9.7120 8.8780 5.2620 90.000 106.590 90.000 SPACE GROUP: C2/c X-RAY WAVELENGTH: 1.541838 Cell Volume: 434.819 Density (g/cm3): 3.321 MAX. ABS. INTENSITY / VOLUME**2: 11.18474208 RIR: 1.097 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 20.00 3.90 4.4390 0 2 0 2 26.76 12.00 3.3320 0 2 1 4 27.77 25.58 3.2121 2 2 0 4 29.89 100.00 2.9893 -2 2 1 4 30.52 34.20 2.9289 3 1 0 4 30.90 33.94 2.8940 -3 1 1 4 35.09 30.35 2.5575 -1 3 1 4 35.31 2.28 2.5417 -2 0 2 2 35.61 41.41 2.5215 0 0 2 2 35.99 39.48 2.4955 2 2 1 4 39.53 14.99 2.2799 3 1 1 4 40.91 1.08 2.2057 -2 2 2 4 40.95 10.47 2.2041 1 1 2 4 41.17 7.86 2.1925 0 2 2 4 42.20 7.44 2.1414 3 3 0 4 42.49 20.86 2.1277 -3 3 1 4 43.01 8.84 2.1031 -4 2 1 4 43.93 1.05 2.0609 4 2 0 4 44.60 16.31 2.0315 0 4 1 4 44.83 12.52 2.0218 -4 0 2 2 45.55 7.80 1.9916 2 0 2 2 46.17 5.55 1.9661 -1 3 2 4 46.68 1.21 1.9457 -2 4 1 4 49.41 1.79 1.8446 3 3 1 4 50.07 5.42 1.8219 5 1 0 4 50.21 3.46 1.8171 2 2 2 4 50.60 2.72 1.8038 1 3 2 4 52.01 1.12 1.7584 4 2 1 4 52.46 12.36 1.7441 1 5 0 4 53.16 1.31 1.7229 -5 1 2 4 54.00 1.30 1.6980 3 1 2 4 55.13 4.48 1.6660 0 4 2 4 55.18 5.19 1.6644 -3 1 3 4 56.57 17.06 1.6269 -2 2 3 4 56.85 15.27 1.6196 -5 3 1 4 57.37 4.13 1.6061 4 4 0 4 58.58 1.44 1.5757 5 3 0 4 59.60 3.74 1.5513 6 0 0 2 60.03 4.79 1.5411 3 5 0 4 60.49 5.28 1.5306 -6 0 2 2 60.94 1.87 1.5204 -6 2 1 4 61.46 5.99 1.5088 4 0 2 2 61.75 13.30 1.5022 -1 3 3 4 62.68 1.75 1.4823 2 4 2 4 62.80 5.40 1.4797 0 6 0 2 64.38 2.16 1.4470 -6 2 2 4 65.32 1.10 1.4285 4 2 2 4 65.77 1.77 1.4198 0 6 1 4 66.28 18.94 1.4101 5 3 1 4 66.46 8.48 1.4067 -3 5 2 4 66.83 3.27 1.3998 1 5 2 4 67.83 3.81 1.3817 2 2 3 4 68.29 1.70 1.3735 -2 4 3 4 70.24 1.10 1.3400 0 4 3 4 70.85 6.62 1.3301 -7 1 2 4 71.49 3.49 1.3197 -5 3 3 4 71.78 1.28 1.3150 7 1 0 4 71.81 2.92 1.3146 6 2 1 4 71.92 1.03 1.3128 5 1 2 4 73.31 3.84 1.2913 -3 1 4 4 73.67 1.30 1.2860 -1 1 4 4 74.15 2.50 1.2788 -2 6 2 4 74.33 6.33 1.2762 0 6 2 4 74.69 1.97 1.2708 -4 0 4 2 75.39 3.04 1.2607 0 0 4 2 75.73 1.05 1.2560 -7 3 1 4 76.95 6.95 1.2391 3 5 2 4 79.27 1.70 1.2085 1 7 1 4 83.00 1.42 1.1635 8 0 0 2 83.96 2.86 1.1526 -6 0 4 2 88.78 1.26 1.1020 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.