Fibroferrite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern for R061076 Scordari F Tschermaks Mineralogische und Petrographische Mitteilungen 28 (1981) 17-29 Fibroferrite: A mineral with a {Fe(OH)(H2O)2SO4} spiral chain and its relationship to Fe(OH)SO4, butlerite and parabutlerite Locality: Saint Felix de Pailleres, France CELL PARAMETERS: 23.55272 23.55272 7.741698 90.00000 90.00000 120.0000 SPACE GROUP: R-3 X-RAY WAVELENGTH: 1.541838 2-THETA INTENSITY D-SPACING H K L 7.52 100.00 11.7764 1 1 0 12.24 2.90 7.2379 1 0 1 13.03 16.95 6.7991 3 0 0 14.37 9.63 6.1663 0 2 1 15.06 5.23 5.8882 2 2 0 16.23 1.33 5.4628 2 1 1 19.44 3.13 4.5676 1 3 1 19.44 2.78 4.5676 -1 4 1 19.95 4.23 4.4510 1 4 0 19.95 9.78 4.4510 4 1 0 20.86 8.95 4.2585 4 0 1 22.20 15.99 4.0047 3 2 1 22.20 2.06 4.0047 5 -2 1 22.65 2.18 3.9255 3 3 0 23.39 2.87 3.8030 0 1 2 24.60 1.29 3.6190 2 0 2 26.21 3.11 3.3995 6 0 0 25.75 16.14 3.4593 1 2 2 25.75 1.93 3.4593 -1 3 2 26.92 1.14 3.3114 6 -1 1 27.30 11.33 3.2662 5 2 0 27.93 2.00 3.1946 4 -1 2 29.02 8.09 3.0770 7 -3 1 29.95 14.51 2.9826 2 3 2 29.95 3.91 2.9826 -2 5 2 32.84 5.60 2.7271 -3 8 1 32.84 1.30 2.7271 3 5 1 32.84 9.83 2.7271 7 0 1 33.15 4.78 2.7017 7 1 0 33.73 2.77 2.6568 6 2 1 33.68 1.43 2.6608 -1 6 2 34.76 1.32 2.5806 0 0 3 36.29 1.73 2.4746 9 -4 1 35.61 3.89 2.5208 2 -1 3 37.92 2.16 2.3721 -2 9 1 39.49 4.22 2.2813 9 -1 1 39.76 2.15 2.2664 9 0 0 40.39 2.54 2.2325 1 4 3 42.74 1.05 2.1151 7 4 0 42.44 3.20 2.1293 8 0 2 41.88 4.96 2.1563 6 -3 3 43.91 1.02 2.0610 6 5 1 44.04 1.15 2.0554 6 0 3 45.31 1.68 2.0007 3 8 1 46.00 1.45 1.9724 10 0 1 45.96 1.07 1.9740 3 7 2 46.67 1.31 1.9453 11 -2 1 46.67 1.64 1.9453 9 2 1 46.91 1.50 1.9360 1 10 0 48.66 1.08 1.8703 8 4 1 48.63 1.21 1.8716 5 6 2 48.78 1.23 1.8661 8 -1 3 50.82 1.24 1.7959 5 8 0 51.23 1.67 1.7825 2 10 1 51.19 1.24 1.7837 -2 11 2 51.04 1.17 1.7885 3 2 4 52.59 1.64 1.7396 10 -5 3 53.52 1.40 1.7113 5 1 4 53.52 3.42 1.7113 6 -1 4 56.10 1.19 1.6387 -6 14 1 56.31 1.18 1.6331 10 4 0 56.69 1.01 1.6230 14 -5 1 59.21 1.03 1.5598 9 6 0 60.14 1.84 1.5378 15 -7 1 63.03 1.55 1.4741 -5 13 3 64.00 1.09 1.4541 7 8 2 63.23 1.52 1.4700 2 3 5 63.23 1.52 1.4700 2 3 5 XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.