Braunite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern for R090057 de Villiers J P R American Mineralogist 65 (1980) 756-765 The crystal structure of braunite II and its relation to bixbyite and braunite CELL PARAMETERS: 9.430743 9.430743 37.80029 90.00000 90.00000 90.00000 ALTERNATE SETTING FOR SPACE GROUP: I4_1/acd X-RAY WAVELENGTH: 1.541838 MAX. ABS. INTENSITY / VOLUME**2: 71.33579933 2-THETA INTENSITY D-SPACING H K L 9.42 4.55 9.4501 0 0 4 14.14 3.43 6.2886 1 1 2 18.84 2.20 4.7250 0 0 8 18.87 3.37 4.7154 2 0 0 21.11 4.68 4.2193 2 0 4 21.25 1.18 4.1915 2 1 1 24.21 7.97 3.6832 2 1 5 26.76 1.22 3.3377 2 0 8 27.16 4.04 3.2885 1 1 10 28.43 1.31 3.1443 2 2 4 30.39 2.38 2.9458 3 1 2 32.92 100.00 2.7243 2 2 8 38.13 5.37 2.3625 0 0 16 38.21 11.33 2.3577 4 0 0 43.19 1.14 2.0962 3 3 6 43.51 6.28 2.0813 3 2 11 44.03 1.38 2.0582 4 2 4 45.34 1.62 2.0016 3 1 14 47.18 1.17 1.9277 2 2 16 47.23 1.00 1.9257 4 2 8 47.48 1.90 1.9161 3 3 10 48.85 3.38 1.8654 4 3 3 50.81 3.00 1.7977 4 1 13 53.38 1.41 1.7170 3 1 18 55.05 27.65 1.6688 4 0 16 55.11 12.28 1.6671 4 4 0 55.32 1.03 1.6613 5 1 10 58.33 1.18 1.5824 4 3 13 61.02 2.24 1.5188 6 1 5 61.82 2.46 1.5011 4 1 19 63.62 2.11 1.4629 5 4 3 65.56 8.27 1.4241 2 2 24 65.67 14.56 1.4220 6 2 8 66.13 1.43 1.4132 6 1 11 67.49 1.05 1.3880 5 1 18 67.81 1.46 1.3822 6 3 5 68.94 3.75 1.3621 4 4 16 81.47 1.39 1.1813 0 0 32 81.67 1.86 1.1788 8 0 0 82.87 1.21 1.1647 8 1 3 82.87 1.21 1.1647 8 1 3 XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.