Augite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern of R061108 Bindi L, Safonov O G, Yapaskurt V O, Perchuk L L, Menchetti S American Mineralogist 88 (2003) 464-468 Ultrapotassic clinopyroxene from the Kumdy-Kol microdiamond mine, Kokchetav Complex, Kazakhstan: Occurrence, composition and crystal-chemical characterization CELL PARAMETERS: 9.7450 8.9020 5.2710 90.000 106.100 90.000 SPACE GROUP: C2/c ATOM X Y Z OCCUPANCY ISO(B) Ca 0.00000 0.30131 0.25000 0.610 0.869 Fe 0.00000 0.30131 0.25000 0.130 0.869 Mg 0.00000 0.30131 0.25000 0.040 0.869 Mn 0.00000 0.30131 0.25000 0.010 0.869 K 0.00000 0.30131 0.25000 0.170 0.869 Na 0.00000 0.30131 0.25000 0.050 0.869 Al 0.00000 0.90339 0.25000 0.610 0.679 Mg 0.00000 0.90339 0.25000 0.390 0.679 Si 0.28752 0.09211 0.23187 0.805 0.537 Al 0.28752 0.09211 0.23187 0.195 0.537 O 0.11480 0.08670 0.14620 1.000 0.813 O 0.36140 0.24960 0.32010 1.000 0.932 O 0.34900 0.01910 0.98710 1.000 0.932 X-RAY WAVELENGTH: 1.541838 BOUNDS ON TWO THETA: 0.0 90.0 LIMITS IMPOSED ON THE INDICES ARE: +/- 8 +/- 8 +/- 4 MAX. ABS. INTENSITY / VOLUME**2: 11.66204735 The INTENSITY cut off value is 1.00 2-THETA INTENSITY D-SPACING H K L 19.95 2.66 4.4510 0 2 0 20.12 1.01 4.4142 -1 1 1 24.33 2.36 3.6584 1 1 1 26.66 8.64 3.3432 0 2 1 27.65 28.21 3.2257 2 2 0 29.86 100.00 2.9920 -2 2 1 30.35 28.20 2.9452 3 1 0 30.87 36.20 2.8966 -3 1 1 31.63 1.02 2.8287 1 3 0 35.01 24.35 2.5626 -1 3 1 35.31 2.33 2.5416 -2 0 2 35.45 43.75 2.5321 0 0 2 35.75 42.37 2.5119 2 2 1 37.70 1.08 2.3859 1 3 1 39.20 17.01 2.2980 3 1 1 40.69 7.73 2.2174 1 1 2 40.89 2.06 2.2071 -2 2 2 41.01 9.05 2.2009 0 2 2 42.01 9.19 2.1505 3 3 0 42.41 18.49 2.1313 -3 3 1 42.92 9.76 2.1073 -4 2 1 43.69 1.20 2.0717 4 2 0 44.47 20.39 2.0374 0 4 1 44.85 12.13 2.0207 -4 0 2 45.19 8.50 2.0065 2 0 2 46.06 7.35 1.9705 -1 3 2 49.09 2.02 1.8559 3 3 1 49.76 7.06 1.8325 5 1 0 49.85 2.99 1.8292 2 2 2 50.34 2.90 1.8127 1 3 2 51.60 1.22 1.7712 4 2 1 52.31 13.62 1.7491 1 5 0 53.15 2.28 1.7231 -5 1 2 54.62 1.04 1.6803 -1 5 1 54.93 4.90 1.6716 0 4 2 55.18 5.92 1.6645 -3 1 3 56.49 18.12 1.6290 -2 2 3 56.69 14.31 1.6238 -5 3 1 57.11 4.89 1.6129 4 4 0 58.26 1.59 1.5836 5 3 0 59.21 3.98 1.5605 6 0 0 59.80 5.16 1.5465 3 5 0 60.44 5.26 1.5316 -6 0 2 60.73 2.53 1.5251 -6 2 1 60.89 5.83 1.5213 4 0 2 61.34 1.07 1.5114 -5 3 2 61.57 12.76 1.5062 -1 3 3 62.30 1.69 1.4902 2 4 2 62.61 4.42 1.4837 0 6 0 63.83 1.78 1.4583 4 4 1 64.32 2.58 1.4483 -6 2 2 65.56 1.76 1.4238 0 6 1 65.79 18.18 1.4196 5 3 1 66.36 9.03 1.4087 -3 5 2 66.53 4.48 1.4055 1 5 2 67.34 4.39 1.3905 2 2 3 68.16 1.15 1.3759 -2 4 3 68.19 1.11 1.3753 -7 1 1 69.95 2.03 1.3450 0 4 3 70.74 6.38 1.3318 -7 1 2 71.21 3.80 1.3242 6 2 1 71.30 1.11 1.3227 7 1 0 71.49 3.47 1.3197 -5 3 3 73.25 3.16 1.2923 -3 1 4 73.41 2.09 1.2898 -1 1 4 73.98 3.36 1.2813 -2 6 2 74.06 5.67 1.2801 0 6 2 74.69 1.77 1.2708 -4 0 4 75.02 3.44 1.2661 0 0 4 75.43 1.26 1.2602 -7 3 1 75.73 1.02 1.2559 4 4 2 76.46 7.56 1.2458 3 5 2 77.35 1.37 1.2337 -1 7 1 78.73 1.15 1.2155 -7 1 3 78.98 2.46 1.2123 1 7 1 82.40 1.56 1.1703 8 0 0 83.97 1.06 1.1524 -6 4 3 84.03 3.14 1.1518 -6 0 4 84.28 1.00 1.1490 6 2 2 88.11 1.87 1.1087 2 2 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.