Pigeonite Alvaro M, Nestola F, Ballaran T B, Camara F, Domeneghetti M C, Tazzoli V American Mineralogist 95 (2010) 300-311 High-pressure phase transition of a natural pigeonite Locality: Parana, Brazil Note: P = 3.649 GPa _database_code_amcsd 0005010 CELL PARAMETERS: 9.4940 8.8180 5.0600 90.000 104.110 90.000 SPACE GROUP: C2/c X-RAY WAVELENGTH: 1.541838 Cell Volume: 410.833 Density (g/cm3): 3.790 MAX. ABS. INTENSITY / VOLUME**2: 9.490963475 RIR: 0.815 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 13.91 2.29 6.3685 1 1 0 4 19.28 15.27 4.6038 2 0 0 2 20.91 5.25 4.2490 -1 1 1 4 24.70 12.08 3.6044 1 1 1 4 27.19 10.42 3.2797 0 2 1 4 28.02 64.06 3.1843 2 2 0 4 30.79 100.00 2.9041 -2 2 1 4 30.85 57.74 2.8986 3 1 0 4 31.96 1.53 2.8001 1 3 0 4 32.04 50.77 2.7932 -3 1 1 4 35.72 98.33 2.5136 -1 3 1 4 36.12 62.45 2.4866 2 2 1 4 36.62 62.14 2.4537 0 0 2 2 37.08 2.57 2.4245 -2 0 2 2 39.58 17.74 2.2768 3 1 1 4 41.62 8.78 2.1701 1 1 2 4 42.15 5.76 2.1440 0 2 2 4 42.43 3.35 2.1302 -3 1 2 4 42.55 8.66 2.1245 -2 2 2 4 42.59 3.83 2.1228 3 3 0 4 43.50 50.71 2.0804 -3 3 1 4 44.24 18.94 2.0475 -4 2 1 4 44.40 3.49 2.0405 4 2 0 4 45.08 12.15 2.0109 0 4 1 4 45.63 6.59 1.9883 2 4 0 4 45.96 24.70 1.9747 2 0 2 2 47.09 19.11 1.9299 -4 0 2 2 47.42 5.04 1.9172 -1 3 2 4 49.58 6.12 1.8387 3 3 1 4 50.64 5.71 1.8026 5 1 0 4 50.65 7.63 1.8022 2 2 2 4 51.37 4.60 1.7788 2 4 1 4 52.13 2.15 1.7545 4 2 1 4 52.86 16.40 1.7321 1 5 0 4 54.26 2.39 1.6906 3 1 2 4 55.60 2.50 1.6531 -5 1 2 4 56.08 1.41 1.6399 0 4 2 4 56.41 1.22 1.6311 -2 4 2 4 57.21 1.88 1.6103 1 5 1 4 58.01 8.04 1.5899 -3 1 3 4 58.22 24.60 1.5847 -5 3 1 4 58.97 20.25 1.5663 -2 2 3 4 59.21 1.05 1.5605 5 3 0 4 60.31 8.90 1.5346 6 0 0 2 60.55 11.35 1.5291 3 5 0 4 61.26 2.06 1.5130 -3 5 1 4 61.60 9.90 1.5056 4 0 2 2 62.50 1.06 1.4860 -6 2 1 4 63.14 15.67 1.4724 -6 0 2 2 63.22 5.13 1.4709 2 4 2 4 63.28 18.41 1.4697 0 6 0 2 63.73 35.09 1.4604 -1 3 3 4 64.51 1.92 1.4446 4 4 1 4 64.90 2.53 1.4368 -4 2 3 4 66.18 1.54 1.4120 3 5 1 4 66.40 2.65 1.4079 0 6 1 4 66.52 43.02 1.4057 5 3 1 4 67.01 1.48 1.3966 -6 2 2 4 67.62 10.21 1.3854 1 5 2 4 68.21 8.21 1.3749 -3 5 2 4 68.55 3.91 1.3689 1 3 3 4 68.80 4.87 1.3645 2 2 3 4 70.24 1.78 1.3401 -7 1 1 4 70.61 1.80 1.3340 -2 4 3 4 71.87 2.89 1.3136 0 4 3 4 72.07 3.17 1.3104 6 2 1 4 72.68 2.42 1.3010 7 1 0 4 73.75 6.78 1.2847 -7 1 2 4 74.92 5.64 1.2675 -5 3 3 4 75.12 1.23 1.2647 -2 0 4 2 75.39 8.82 1.2608 0 6 2 4 76.57 2.49 1.2443 -1 1 4 4 77.13 3.29 1.2366 -3 1 4 4 77.45 8.54 1.2323 3 5 2 4 77.86 2.22 1.2268 0 0 4 2 78.98 2.67 1.2123 -4 0 4 2 80.63 2.28 1.1916 -3 5 3 4 80.88 1.83 1.1885 7 1 1 4 81.67 1.27 1.1790 2 6 2 4 82.50 1.51 1.1692 -4 6 2 4 82.53 1.89 1.1689 -4 2 4 4 82.55 1.03 1.1686 1 1 4 4 84.11 2.25 1.1509 8 0 0 2 84.56 1.50 1.1459 -8 2 1 4 87.17 1.89 1.1182 -8 2 2 4 87.62 1.13 1.1136 8 2 0 4 87.86 2.06 1.1112 -6 4 3 4 89.23 3.67 1.0976 -6 0 4 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.