Protoferro-anthophyllite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern for R060053 Sueno S, Matsuura S, Gibbs G V, Boisen M B Physics and Chemistry of Minerals 25 (1998) 366-377 A crystal chemical study of protoanthophyllite: orthoamphiboles with the protoamphibole structure Sample: PFA Hiruka Village CELL PARAMETERS: 9.388000 18.38700 5.347000 90.00000 90.00000 90.00000 SPACE GROUP: Pnmn X-RAY WAVELENGTH: 1.541838 2-THETA INTENSITY D-SPACING H K L 9.72 13.75 9.1422 0 2 0 10.58 100.00 8.3933 1 1 0 17.31 2.61 5.1324 0 1 1 18.82 10.79 4.7238 2 0 0 19.11 2.77 4.6536 1 0 1 19.45 4.78 4.5711 0 4 0 19.72 5.03 4.5099 1 1 1 21.20 6.01 4.1967 2 2 0 24.09 19.92 3.6987 1 3 1 26.16 1.13 3.4103 1 5 0 27.04 7.87 3.3014 2 2 1 27.17 16.27 3.2849 2 4 0 28.79 38.72 3.1035 3 1 0 29.20 8.40 3.0613 2 3 1 29.62 5.37 3.0185 0 5 1 31.13 18.52 2.8753 1 5 1 32.01 5.63 2.7978 3 3 0 33.54 4.49 2.6737 0 0 2 34.50 4.13 2.6014 3 2 1 34.89 10.83 2.5726 1 0 2 35.06 1.10 2.5608 2 6 0 35.22 37.21 2.5494 1 6 1 35.25 9.23 2.5476 1 1 2 35.31 40.84 2.5436 2 5 1 38.12 2.23 2.3619 4 0 0 38.71 28.12 2.3268 2 0 2 39.01 3.74 2.3096 2 6 1 39.04 1.90 2.3082 2 1 2 39.58 4.51 2.2778 1 7 1 43.05 4.48 2.1019 2 7 1 43.03 1.45 2.1026 4 2 1 44.16 2.29 2.0515 1 8 1 44.73 21.62 2.0266 3 6 1 44.75 6.39 2.0256 3 1 2 46.26 1.06 1.9631 2 5 2 48.93 1.82 1.8619 1 9 1 48.94 1.62 1.8615 3 4 2 48.98 11.52 1.8601 4 5 1 51.64 9.12 1.7701 4 0 2 51.88 3.03 1.7625 4 6 1 51.90 1.13 1.7619 4 1 2 52.34 1.29 1.7481 3 8 1 52.67 1.08 1.7378 4 2 2 53.25 1.02 1.7203 1 2 3 53.64 2.22 1.7086 1 8 2 53.57 2.48 1.7108 0 3 3 55.68 2.39 1.6507 4 4 2 56.19 7.94 1.6371 1 11 0 57.52 10.52 1.6023 0 5 3 58.63 3.39 1.5746 6 0 0 60.16 18.70 1.5380 5 6 1 60.78 6.02 1.5237 0 12 0 60.18 5.49 1.5376 5 1 2 61.01 12.21 1.5186 1 6 3 61.11 1.70 1.5163 3 10 1 61.07 1.72 1.5173 2 5 3 63.14 2.15 1.4723 0 7 3 63.25 2.82 1.4700 3 11 0 63.64 1.01 1.4620 5 4 2 67.02 4.58 1.3961 1 11 2 67.02 4.18 1.3961 6 5 1 67.77 6.82 1.3824 3 6 3 69.23 3.63 1.3568 6 0 2 69.43 4.24 1.3533 6 6 1 69.45 2.11 1.3531 6 1 2 69.87 1.64 1.3460 7 1 0 71.08 2.57 1.3259 4 5 3 71.22 2.25 1.3237 1 0 4 71.44 1.47 1.3202 1 1 4 72.02 4.67 1.3110 1 12 2 73.50 2.76 1.2881 3 11 2 73.62 4.28 1.2863 2 0 4 74.02 1.74 1.2804 4 12 0 74.40 5.09 1.2747 2 12 2 79.72 1.07 1.2024 7 6 1 81.47 1.02 1.1809 8 0 0 82.97 1.89 1.1634 4 0 4 83.73 2.65 1.1548 4 12 2 85.91 4.24 1.1309 5 11 2 88.97 1.17 1.0998 8 5 1 88.97 1.17 1.0998 8 5 1 XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.