Geocronite Birnie R W, Burnham C W American Mineralogist 61 (1976) 963-970 The crystal structure and extent of solid solution of geocronite _database_code_amcsd 0000530 CELL PARAMETERS: 8.9630 31.9300 8.5000 90.000 118.020 90.000 SPACE GROUP: P2_1/m X-RAY WAVELENGTH: 1.541838 Cell Volume: 2147.462 Density (g/cm3): 6.981 MAX. ABS. INTENSITY / VOLUME**2: 55.37383650 RIR: 2.583 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 5.54 6.67 15.9650 0 2 0 2 11.08 5.29 7.9825 0 4 0 2 11.18 2.89 7.9124 1 0 0 2 11.52 2.87 7.6801 1 1 0 4 11.79 5.50 7.5037 0 0 1 2 11.84 4.95 7.4726 -1 0 1 2 12.12 2.40 7.3047 0 1 1 4 12.16 8.92 7.2760 -1 1 1 4 12.49 1.31 7.0895 1 2 0 4 13.95 3.27 6.3499 1 3 0 4 15.77 2.51 5.6195 1 4 0 4 16.21 3.57 5.4673 0 4 1 4 16.25 1.96 5.4553 -1 4 1 4 17.85 3.64 4.9694 1 5 0 4 18.27 3.02 4.8547 -1 5 1 4 19.76 2.54 4.4920 1 0 1 2 19.85 3.69 4.4720 -2 0 1 2 19.96 1.71 4.4482 1 1 1 4 20.11 3.64 4.4158 1 6 0 4 20.49 1.99 4.3348 -1 6 1 4 21.09 2.17 4.2128 -1 1 2 4 21.47 1.51 4.1385 1 3 1 4 22.50 4.60 3.9518 1 7 0 4 22.53 2.17 3.9469 -1 3 2 4 22.79 2.13 3.9015 -2 4 1 4 22.84 1.84 3.8934 -1 7 1 4 23.16 19.39 3.8400 2 2 0 4 23.71 1.62 3.7518 0 0 2 2 23.88 4.82 3.7262 0 1 2 4 23.98 6.58 3.7110 -2 1 2 4 24.00 72.74 3.7083 2 3 0 4 24.37 8.40 3.6523 0 2 2 4 24.47 4.67 3.6380 -2 2 2 4 24.99 2.01 3.5635 1 8 0 4 25.12 55.84 3.5447 2 4 0 4 25.17 59.40 3.5384 0 3 2 4 25.26 57.11 3.5254 -2 3 2 4 25.27 5.01 3.5238 0 8 1 4 26.25 56.05 3.3955 0 4 2 4 26.34 58.72 3.3840 -2 4 2 4 27.57 11.42 3.2349 0 5 2 4 27.66 15.92 3.2249 -2 5 2 4 27.94 99.96 3.1930 0 10 0 2 28.11 46.69 3.1750 2 6 0 4 29.12 57.13 3.0664 0 6 2 4 29.20 63.06 3.0579 -2 6 2 4 29.90 69.60 2.9887 2 7 0 4 30.01 2.31 2.9778 -2 8 1 4 30.08 1.14 2.9709 2 0 1 2 30.31 2.46 2.9485 -3 1 1 4 30.61 2.36 2.9207 2 2 1 4 30.71 1.35 2.9115 -3 2 1 4 30.86 64.99 2.8976 0 7 2 4 30.93 1.27 2.8910 1 1 2 4 30.94 64.62 2.8904 -2 7 2 4 31.09 1.15 2.8768 -3 1 2 4 31.85 33.34 2.8098 2 8 0 4 31.96 9.64 2.8006 1 3 2 4 32.11 8.69 2.7877 -3 3 2 4 32.15 8.97 2.7842 1 9 1 4 32.76 14.38 2.7337 0 8 2 4 32.83 7.42 2.7281 1 4 2 4 32.83 12.21 2.7276 -2 8 2 4 32.98 5.80 2.7162 -3 4 2 4 33.35 2.02 2.6864 -3 5 1 4 33.92 2.12 2.6427 1 5 2 4 33.94 3.50 2.6413 2 9 0 4 33.99 2.52 2.6375 3 0 0 2 34.07 1.39 2.6319 -3 5 2 4 34.11 1.76 2.6285 3 1 0 4 34.51 5.11 2.5986 -2 10 1 4 34.67 1.14 2.5876 -3 6 1 4 34.87 1.27 2.5727 -2 9 2 4 35.08 1.65 2.5577 -1 5 3 4 35.22 1.82 2.5484 1 6 2 4 35.36 1.37 2.5387 -3 6 2 4 35.81 3.39 2.5078 0 12 1 4 35.82 3.59 2.5067 -1 12 1 4 36.97 3.13 2.4316 0 10 2 4 37.04 2.73 2.4274 -2 10 2 4 37.52 18.07 2.3970 -1 11 2 4 37.75 1.65 2.3831 2 8 1 4 38.34 2.66 2.3477 1 8 2 4 38.47 2.39 2.3400 -3 8 2 4 38.57 1.33 2.3343 0 13 1 4 38.59 1.52 2.3333 -1 13 1 4 39.31 1.46 2.2923 -2 11 2 4 39.57 1.50 2.2777 2 9 1 4 40.15 51.75 2.2460 2 0 2 2 40.25 9.52 2.2405 2 1 2 4 40.34 51.43 2.2360 -4 0 2 2 40.44 12.34 2.2306 -4 1 2 4 40.87 5.14 2.2079 2 12 0 4 41.27 1.08 2.1874 3 0 1 2 41.38 2.21 2.1821 0 14 1 4 41.61 3.12 2.1704 0 12 2 4 41.67 2.13 2.1674 -2 12 2 4 42.18 1.58 2.1427 3 3 1 4 42.54 66.37 2.1250 -2 0 4 2 42.83 1.14 2.1116 1 1 3 4 42.97 1.29 2.1048 -4 4 1 4 43.36 10.76 2.0867 2 13 0 4 43.74 1.24 2.0694 3 5 1 4 44.05 2.91 2.0556 1 15 0 4 44.07 10.92 2.0550 0 13 2 4 44.13 10.00 2.0524 -2 13 2 4 44.24 1.15 2.0472 -1 15 1 4 44.44 2.71 2.0386 -3 9 3 4 44.56 14.48 2.0335 3 10 0 4 44.90 1.35 2.0189 -4 6 1 4 45.85 1.75 1.9792 -3 12 1 4 45.93 12.53 1.9759 2 14 0 4 45.97 1.79 1.9743 4 1 0 4 46.10 1.43 1.9690 0 10 3 4 46.52 5.87 1.9520 3 11 0 4 46.60 15.19 1.9489 0 14 2 4 46.66 15.03 1.9467 -2 14 2 4 46.71 5.25 1.9448 4 3 0 4 47.14 2.03 1.9281 -1 16 1 4 47.19 1.54 1.9260 -1 12 3 4 47.23 1.53 1.9244 -2 12 3 4 47.25 1.18 1.9236 1 15 1 4 47.35 9.54 1.9200 4 4 0 4 47.35 1.10 1.9197 1 7 3 4 47.94 1.50 1.8977 2 9 2 4 48.10 2.51 1.8917 -4 9 2 4 48.16 16.26 1.8895 4 5 0 4 48.55 1.93 1.8751 1 13 2 4 48.57 1.21 1.8745 2 15 0 4 48.60 1.09 1.8735 -1 7 4 4 48.66 1.78 1.8712 -3 13 2 4 48.89 2.26 1.8631 0 2 4 4 49.10 2.98 1.8555 -4 2 4 4 49.14 6.96 1.8542 4 6 0 4 49.21 8.07 1.8514 0 15 2 4 49.27 9.42 1.8496 -2 15 2 4 49.33 9.51 1.8474 0 3 4 4 49.43 1.12 1.8439 -1 13 3 4 49.54 10.35 1.8400 -4 3 4 4 49.63 30.78 1.8370 2 10 2 4 49.78 29.41 1.8316 -4 10 2 4 49.90 5.53 1.8275 1 17 0 4 49.94 8.95 1.8262 0 4 4 4 50.05 2.68 1.8224 -2 16 1 4 50.15 7.87 1.8190 -4 4 4 4 50.28 4.84 1.8148 4 7 0 4 50.45 1.14 1.8091 2 14 1 4 50.80 1.04 1.7974 3 13 0 4 50.92 3.13 1.7934 1 14 2 4 51.02 2.44 1.7900 -3 14 2 4 51.27 4.73 1.7818 2 16 0 4 51.44 1.93 1.7763 2 11 2 4 51.59 1.69 1.7717 3 3 2 4 51.60 2.44 1.7714 -4 11 2 4 51.66 8.28 1.7692 0 6 4 4 51.67 33.78 1.7690 -2 10 4 4 51.79 1.15 1.7652 -5 3 2 4 51.87 6.65 1.7627 -4 6 4 4 51.90 2.23 1.7619 0 16 2 4 51.95 2.51 1.7603 -2 16 2 4 52.18 2.02 1.7529 3 4 2 4 52.38 1.86 1.7466 -5 4 2 4 52.76 10.47 1.7349 0 7 4 4 52.90 3.22 1.7309 1 18 0 4 52.97 11.37 1.7288 -4 7 4 4 54.01 5.41 1.6977 0 8 4 4 54.05 4.52 1.6967 2 17 0 4 54.21 6.22 1.6920 -4 8 4 4 54.38 1.33 1.6873 -4 12 1 4 54.65 3.75 1.6795 0 17 2 4 54.70 4.02 1.6781 -2 17 2 4 54.92 1.27 1.6718 3 7 2 4 55.53 1.11 1.6549 -3 16 1 4 55.60 1.04 1.6530 -4 9 4 4 55.75 2.31 1.6489 -2 18 1 4 56.32 1.06 1.6335 3 13 1 4 56.70 1.04 1.6234 -1 16 3 4 56.89 2.37 1.6186 2 18 0 4 57.46 1.52 1.6037 0 18 2 4 57.51 1.24 1.6025 -2 18 2 4 57.75 10.42 1.5965 0 20 0 2 58.62 1.42 1.5748 5 2 0 4 58.65 2.87 1.5740 1 19 1 4 59.01 4.34 1.5653 5 3 0 4 59.23 1.57 1.5599 0 16 3 4 59.56 1.50 1.5523 5 4 0 4 60.05 1.47 1.5406 4 13 0 4 60.37 1.26 1.5332 0 12 4 4 60.56 1.78 1.5289 -4 12 4 4 61.09 1.19 1.5168 5 6 0 4 61.24 1.44 1.5137 1 18 2 4 61.33 1.57 1.5116 -3 18 2 4 62.08 1.06 1.4951 5 7 0 4 62.11 3.90 1.4943 4 14 0 4 62.28 2.76 1.4908 0 13 4 4 62.46 3.69 1.4869 -4 13 4 4 62.83 2.51 1.4790 4 2 2 4 63.06 2.69 1.4743 -6 2 2 4 63.07 1.05 1.4739 -1 9 5 4 63.17 4.40 1.4720 1 10 4 4 63.20 4.21 1.4712 4 3 2 4 63.43 4.37 1.4665 -6 3 2 4 63.44 3.74 1.4664 -5 10 4 4 63.61 1.03 1.4627 2 19 1 4 63.73 1.42 1.4604 4 4 2 4 63.95 1.19 1.4558 -6 4 2 4 64.28 7.41 1.4490 4 15 0 4 64.30 3.96 1.4488 0 14 4 4 64.39 1.43 1.4469 0 18 3 4 64.47 3.86 1.4452 -4 14 4 4 64.62 1.25 1.4423 -6 5 2 4 64.73 1.85 1.4402 1 11 4 4 64.83 2.03 1.4382 2 3 4 4 64.99 1.62 1.4349 -5 11 4 4 65.16 4.15 1.4316 -1 21 2 4 65.19 1.72 1.4312 -6 3 4 4 65.21 1.27 1.4307 4 6 2 4 65.35 3.51 1.4281 2 4 4 4 65.43 1.04 1.4264 -6 6 2 4 65.51 1.21 1.4250 0 22 1 4 65.70 3.23 1.4212 -6 4 4 4 66.00 5.32 1.4154 2 5 4 4 66.16 3.29 1.4124 4 7 2 4 66.36 6.62 1.4087 -6 5 4 4 66.38 3.46 1.4083 -6 7 2 4 66.81 2.66 1.4003 2 6 4 4 67.16 2.71 1.3939 -6 6 4 4 67.20 1.69 1.3931 -3 19 3 4 67.25 2.60 1.3921 4 8 2 4 67.47 2.79 1.3882 -6 8 2 4 67.57 2.22 1.3863 -1 17 4 4 67.66 1.71 1.3848 -3 17 4 4 67.71 3.40 1.3838 -2 3 6 4 67.75 1.34 1.3831 2 7 4 4 67.84 3.10 1.3815 -4 3 6 4 68.10 1.56 1.3769 -6 7 4 4 68.21 3.30 1.3748 -2 4 6 4 68.34 3.70 1.3725 -4 4 6 4 68.48 1.19 1.3702 4 9 2 4 68.67 2.02 1.3668 0 16 4 4 68.69 1.29 1.3664 -6 9 2 4 68.73 1.80 1.3658 3 20 0 4 68.84 1.64 1.3638 -4 16 4 4 68.94 1.28 1.3620 4 17 0 4 68.99 1.72 1.3613 -4 5 6 4 69.65 3.35 1.3500 -2 6 6 4 69.77 4.37 1.3478 -4 6 6 4 70.08 1.26 1.3428 -1 18 4 4 70.53 2.26 1.3353 3 16 2 4 70.57 3.74 1.3346 -2 7 6 4 70.70 3.72 1.3325 -4 7 6 4 70.70 2.56 1.3325 -5 16 2 4 70.83 1.79 1.3303 5 13 0 4 71.02 1.70 1.3273 0 17 4 4 71.19 1.65 1.3245 -4 17 4 4 71.55 2.11 1.3187 6 0 0 2 71.62 2.30 1.3176 6 1 0 4 71.63 1.03 1.3175 -2 8 6 4 71.64 1.78 1.3173 3 21 0 4 72.10 1.26 1.3100 2 23 0 4 72.61 1.38 1.3020 0 23 2 4 72.66 1.28 1.3013 -2 23 2 4 72.66 6.25 1.3013 2 20 2 4 72.73 1.11 1.3002 5 14 0 4 72.79 6.15 1.2993 -4 20 2 4 72.85 2.95 1.2984 3 17 2 4 73.02 2.54 1.2958 -5 17 2 4 73.47 1.04 1.2889 0 18 4 4 73.64 1.07 1.2864 -4 18 4 4 74.31 8.57 1.2764 -2 20 4 4 74.53 1.54 1.2731 -3 11 6 4 75.22 1.67 1.2632 3 3 4 4 75.36 1.22 1.2613 5 0 2 2 75.37 1.41 1.2610 2 24 0 4 75.61 1.06 1.2577 -7 0 2 2 75.63 1.58 1.2573 -7 3 4 4 75.88 1.96 1.2539 0 24 2 4 75.92 2.02 1.2533 -2 24 2 4 76.11 5.17 1.2506 0 0 6 2 76.49 5.03 1.2454 -6 0 6 2 76.55 1.94 1.2445 -6 1 6 4 77.17 1.33 1.2361 6 9 0 4 78.04 1.82 1.2245 2 14 4 4 78.37 1.49 1.2202 -6 14 4 4 78.47 2.84 1.2189 6 10 0 4 78.89 1.56 1.2135 -2 13 6 4 79.01 1.21 1.2119 -4 13 6 4 79.20 1.55 1.2095 1 24 2 4 79.28 1.46 1.2084 -3 24 2 4 79.90 1.17 1.2006 6 11 0 4 80.01 2.95 1.1992 2 15 4 4 80.34 3.63 1.1952 -6 15 4 4 80.72 2.14 1.1905 -2 14 6 4 80.84 2.03 1.1890 -4 14 6 4 82.17 3.75 1.1731 5 10 2 4 82.41 1.80 1.1702 -7 -10 2 4 82.68 1.06 1.1672 -2 15 6 4 82.80 1.71 1.1658 -4 15 6 4 82.91 5.55 1.1645 0 10 6 4 83.28 4.97 1.1603 -6 10 6 4 85.75 1.21 1.1331 2 27 0 4 86.77 1.14 1.1223 4 1 4 4 86.91 1.25 1.1208 1 21 4 4 87.68 1.06 1.1130 7 5 0 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.