Diopside Warren B, Biscoe J Zeitschrift fur Kristallographie 80 (1931) 391-401 The Crystal Structure of monoclinic pyroxenes _cod_database_code 1011047 _database_code_amcsd 0017949 CELL PARAMETERS: 9.7100 8.8900 5.2400 90.000 74.170 90.000 SPACE GROUP: C2/c X-RAY WAVELENGTH: 1.541838 Cell Volume: 435.172 Density (g/cm3): 3.305 MAX. ABS. INTENSITY / VOLUME**2: 12.66893360 RIR: 1.248 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 19.98 4.32 4.4450 0 2 0 2 20.23 1.28 4.3906 1 1 1 4 24.38 2.81 3.6504 -1 1 1 4 26.74 9.56 3.3341 0 2 1 4 27.70 23.17 3.2200 2 2 0 4 29.99 100.00 2.9797 2 2 1 4 30.42 27.41 2.9388 3 1 0 4 31.03 31.90 2.8822 3 1 1 4 31.68 2.10 2.8246 1 3 0 4 35.11 19.70 2.5557 1 3 1 4 35.56 1.90 2.5247 2 0 2 2 35.62 38.01 2.5206 0 0 2 2 35.80 36.91 2.5081 -2 2 1 4 37.77 1.19 2.3818 -1 3 1 4 39.26 16.88 2.2949 -3 1 1 4 40.82 5.44 2.2104 -1 1 2 4 41.17 5.66 2.1926 0 2 2 4 42.09 15.23 2.1467 3 3 0 4 42.56 12.46 2.1243 3 3 1 4 43.09 9.22 2.0990 4 2 1 4 44.55 15.32 2.0336 0 4 1 4 45.16 10.85 2.0078 4 0 2 2 45.30 7.22 2.0017 -2 0 2 2 46.25 8.84 1.9628 1 3 2 4 49.88 8.34 1.8284 5 1 0 4 49.97 2.37 1.8252 -2 2 2 4 50.48 3.74 1.8081 -1 3 2 4 50.91 1.15 1.7937 -2 4 1 4 51.68 1.60 1.7688 -4 2 1 4 52.38 9.61 1.7466 1 5 0 4 54.73 3.96 1.6771 1 5 1 4 55.05 1.17 1.6682 2 4 2 4 55.09 4.30 1.6670 0 4 2 4 55.57 5.09 1.6537 3 1 3 4 56.64 2.13 1.6250 -1 5 1 4 56.84 17.12 1.6199 2 2 3 4 56.89 10.24 1.6184 5 3 1 4 57.22 2.66 1.6100 4 4 0 4 58.39 1.97 1.5804 5 3 0 4 59.36 4.75 1.5570 6 0 0 2 59.91 3.29 1.5440 3 5 0 4 60.80 4.11 1.5234 6 0 2 2 60.96 1.31 1.5197 6 2 1 4 61.00 4.14 1.5190 -4 0 2 2 61.66 2.04 1.5043 5 3 2 4 61.87 8.64 1.4995 1 3 3 4 62.71 3.28 1.4817 0 6 0 2 63.92 1.32 1.4564 -4 4 1 4 64.68 2.27 1.4411 6 2 2 4 64.87 1.25 1.4374 -4 2 2 4 65.68 2.49 1.4215 0 6 1 4 65.89 15.68 1.4176 -5 3 1 4 66.17 1.44 1.4123 2 6 0 4 66.61 6.72 1.4039 3 5 2 4 66.69 2.36 1.4026 -1 5 2 4 67.55 3.53 1.3866 -2 2 3 4 68.46 1.09 1.3705 7 1 1 4 68.50 1.34 1.3699 2 4 3 4 70.22 1.61 1.3404 0 4 3 4 70.74 1.04 1.3317 -2 6 1 4 71.14 4.86 1.3253 7 1 2 4 71.33 2.68 1.3222 -6 2 1 4 71.36 1.09 1.3218 -5 1 2 4 71.48 1.48 1.3197 7 1 0 4 71.49 1.20 1.3197 -3 1 3 4 71.96 2.45 1.3123 5 3 3 4 73.40 1.01 1.2900 4 4 3 4 73.78 3.29 1.2842 3 1 4 4 73.85 1.08 1.2832 1 1 4 4 74.21 4.18 1.2779 2 6 2 4 74.25 4.52 1.2773 0 6 2 4 75.28 2.24 1.2623 4 0 4 2 75.42 3.18 1.2603 0 0 4 2 75.71 1.43 1.2563 7 3 1 4 76.60 6.56 1.2438 -3 5 2 4 78.50 1.13 1.2184 -5 3 2 4 79.11 1.56 1.2106 -1 7 1 4 79.29 1.05 1.2083 7 1 3 4 81.48 1.24 1.1812 -1 5 3 4 84.73 2.38 1.1440 6 0 4 2 86.04 1.76 1.1300 5 5 3 4 88.46 1.29 1.1052 -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.