Clinopyroxene Peacor D R American Mineralogist 52 (1967) 31-41 Refinement of the crystal structure of a pyroxene of formula M1M2(Si1.5Al0.5)O6 _database_code_amcsd 0000153 CELL PARAMETERS: 9.7940 8.9060 5.3190 90.000 105.900 90.000 SPACE GROUP: C2/c X-RAY WAVELENGTH: 1.541838 Cell Volume: 446.202 Density (g/cm3): 3.348 MAX. ABS. INTENSITY / VOLUME**2: 13.18172768 RIR: 1.282 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 13.68 2.02 6.4713 1 1 0 4 18.84 2.83 4.7096 2 0 0 2 19.94 4.27 4.4530 0 2 0 2 26.54 2.71 3.3587 0 2 1 4 27.57 17.70 3.2357 2 2 0 4 29.76 100.00 3.0017 -2 2 1 4 30.18 30.28 2.9611 3 1 0 4 30.73 26.88 2.9093 -3 1 1 4 34.93 27.31 2.5685 -1 3 1 4 35.08 41.18 2.5578 0 0 2 2 35.51 44.42 2.5280 2 2 1 4 38.88 13.20 2.3164 3 1 1 4 40.28 10.85 2.2390 1 1 2 4 40.68 7.24 2.2179 0 2 2 4 41.88 9.06 2.1571 3 3 0 4 42.30 18.88 2.1368 -3 3 1 4 42.75 11.07 2.1153 -4 2 1 4 44.37 15.77 2.0415 0 4 1 4 44.60 12.21 2.0319 -4 0 2 2 44.71 8.63 2.0268 2 0 2 2 45.81 7.07 1.9809 -1 3 2 4 48.81 2.28 1.8659 3 3 1 4 49.40 2.21 1.8447 2 2 2 4 49.45 4.76 1.8431 5 1 0 4 49.98 2.48 1.8247 1 3 2 4 51.23 1.33 1.7833 4 2 1 4 52.27 13.30 1.7502 1 5 0 4 52.87 1.38 1.7315 -5 1 2 4 54.55 1.67 1.6824 -1 5 1 4 54.65 5.42 1.6794 0 4 2 4 54.74 5.17 1.6769 -3 1 3 4 56.03 17.17 1.6413 -2 2 3 4 56.47 14.68 1.6295 -5 3 1 4 56.92 5.68 1.6178 4 4 0 4 57.98 1.88 1.5906 5 3 0 4 58.82 3.78 1.5699 6 0 0 2 59.68 5.99 1.5493 3 5 0 4 60.12 5.85 1.5391 -6 0 2 2 60.28 7.17 1.5354 4 0 2 2 60.43 3.12 1.5318 -6 2 1 4 61.09 13.97 1.5170 -1 3 3 4 61.37 1.22 1.5106 -4 2 3 4 62.58 4.30 1.4843 0 6 0 2 63.49 1.07 1.4653 4 4 1 4 64.01 1.75 1.4546 -6 2 2 4 64.16 1.55 1.4516 4 2 2 4 65.34 17.73 1.4281 5 3 1 4 65.48 1.88 1.4255 0 6 1 4 66.16 10.05 1.4124 -3 5 2 4 66.22 4.35 1.4113 1 5 2 4 66.64 5.29 1.4035 2 2 3 4 67.73 1.42 1.3834 -2 4 3 4 69.43 1.18 1.3538 0 4 3 4 70.36 6.76 1.3380 -7 1 2 4 70.66 4.54 1.3332 6 2 1 4 70.82 1.23 1.3305 7 1 0 4 71.09 3.56 1.3262 -5 3 3 4 72.55 4.04 1.3030 -3 1 4 4 72.61 1.83 1.3021 -1 1 4 4 73.78 2.71 1.2842 -2 6 2 4 73.81 5.40 1.2838 0 6 2 4 74.03 1.73 1.2806 -4 0 4 2 74.14 3.38 1.2789 0 0 4 2 75.06 1.02 1.2656 -7 3 1 4 75.16 1.35 1.2640 4 4 2 4 76.00 7.68 1.2522 3 5 2 4 77.27 1.68 1.2348 -1 7 1 4 78.85 2.44 1.2139 1 7 1 4 81.80 1.81 1.1774 8 0 0 2 83.38 3.50 1.1591 -6 0 4 2 87.04 1.54 1.1195 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.