Metastrengite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern of R050459 Moore P B American Mineralogist 51 (1966) 168-176 The crystal structure of metastrengite and its relationship to strengite and phosphophyllite CELL PARAMETERS: 5.3242 9.7900 8.7070 90.000 90.585 90.000 SPACE GROUP: P2_1/n ATOM X Y Z OCCUPANCY ISO(B) Fe 0.09160 0.82700 0.19190 1.000 0.590 P -0.08670 0.15060 0.18360 1.000 0.700 Wa 0.38740 0.94940 0.17990 1.000 2.830 Wa 0.08710 0.87300 0.42750 1.000 1.600 O 0.33240 0.68140 0.23830 1.000 1.290 O -0.11520 -0.00660 0.17080 1.000 1.170 O -0.20100 0.70500 0.21780 1.000 0.860 O 0.09390 0.78730 -0.02500 1.000 1.630 X-RAY WAVELENGTHS: 1.540562 1.544390 BOUNDS ON TWO THETA: 5.0 90.0 LIMITS IMPOSED ON THE INDICES ARE: +/- 4 +/- 8 +/- 7 MAX. ABS. INTENSITY / VOLUME**2: 12.97351196 The INTENSITY cut off value is 1.00 2-THETA INTENSITY D-SPACING H K L 13.60 / 13.63 32.17 / 16.09 6.5059 0 1 1 18.11 / 18.15 38.24 / 19.12 4.8950 0 2 0 18.96 / 19.01 81.60 / 40.80 4.6771 1 1 0 19.44 / 19.49 25.49 / 12.75 4.5628 -1 0 1 20.38 / 20.43 95.23 / 47.61 4.3533 0 0 2 20.80 / 20.85 6.06 / 3.03 4.2669 0 2 1 21.63 / 21.69 22.14 / 11.07 4.1049 1 1 1 22.33 / 22.39 2.71 / 1.35 3.9777 0 1 2 24.69 / 24.75 54.79 / 27.39 3.6034 1 2 0 26.69 / 26.75 11.56 / 5.78 3.3377 -1 2 1 26.82 / 26.89 3.95 / 1.98 3.3214 1 2 1 27.39 / 27.46 4.39 / 2.19 3.2530 0 2 2 27.85 / 27.92 3.04 / 1.52 3.2009 -1 1 2 28.10 / 28.18 1.59 / 0.80 3.1724 1 1 2 29.20 / 29.28 1.14 / 0.57 3.0557 0 3 1 32.14 / 32.22 35.88 / 17.94 2.7825 0 1 3 32.15 / 32.23 64.12 / 32.06 2.7823 1 3 0 32.33 / 32.42 8.32 / 4.16 2.7664 1 2 2 33.64 / 33.73 4.20 / 2.10 2.6620 2 0 0 33.85 / 33.93 3.39 / 1.69 2.6461 1 3 1 34.90 / 34.99 25.00 / 12.50 2.5687 2 1 0 35.03 / 35.12 10.71 / 5.36 2.5592 -1 0 3 35.35 / 35.44 6.95 / 3.47 2.5373 1 0 3 35.94 / 36.04 2.13 / 1.07 2.4964 0 2 3 36.25 / 36.34 3.56 / 1.78 2.4760 -1 1 3 36.55 / 36.65 4.44 / 2.22 2.4562 1 1 3 36.69 / 36.78 2.22 / 1.11 2.4475 0 4 0 38.16 / 38.26 1.09 / 0.54 2.3562 0 4 1 38.27 / 38.37 4.33 / 2.17 2.3500 -1 3 2 38.46 / 38.56 8.89 / 4.45 2.3387 1 3 2 39.47 / 39.57 2.41 / 1.20 2.2814 -2 0 2 39.71 / 39.81 3.32 / 1.66 2.2679 -1 2 3 39.84 / 39.94 2.61 / 1.31 2.2608 2 0 2 39.98 / 40.08 4.58 / 2.29 2.2534 2 2 1 39.99 / 40.09 1.14 / 0.57 2.2527 1 2 3 40.53 / 40.64 4.38 / 2.19 2.2238 1 4 0 41.45 / 41.56 1.04 / 0.52 2.1766 0 0 4 41.61 / 41.72 4.30 / 2.15 2.1686 0 3 3 41.94 / 42.05 3.01 / 1.51 2.1524 1 4 1 42.51 / 42.62 15.18 / 7.59 2.1248 0 1 4 43.74 / 43.85 4.11 / 2.06 2.0679 -2 2 2 44.09 / 44.20 1.18 / 0.59 2.0524 2 2 2 44.98 / 45.10 5.10 / 2.55 2.0138 -1 3 3 45.05 / 45.17 17.34 / 8.67 2.0107 -2 3 1 45.22 / 45.34 8.89 / 4.44 2.0036 2 3 1 45.57 / 45.69 3.71 / 1.85 1.9889 0 2 4 45.70 / 45.82 3.54 / 1.77 1.9838 -1 4 2 46.97 / 47.09 1.01 / 0.50 1.9330 -2 1 3 47.46 / 47.58 1.57 / 0.79 1.9142 2 1 3 47.56 / 47.69 3.55 / 1.78 1.9103 0 5 1 48.68 / 48.81 1.22 / 0.61 1.8688 -1 2 4 49.00 / 49.13 1.85 / 0.93 1.8574 1 2 4 49.56 / 49.70 3.48 / 1.74 1.8377 1 5 0 49.82 / 49.95 3.74 / 1.87 1.8290 -2 2 3 50.28 / 50.42 6.54 / 3.27 1.8130 2 2 3 50.62 / 50.76 1.20 / 0.60 1.8017 2 4 0 50.77 / 50.91 1.05 / 0.53 1.7968 1 5 1 51.63 / 51.77 1.59 / 0.80 1.7688 -1 4 3 51.85 / 51.99 7.78 / 3.89 1.7619 2 4 1 51.86 / 52.00 2.53 / 1.27 1.7615 1 4 3 52.47 / 52.61 1.11 / 0.56 1.7424 -3 0 1 52.70 / 52.84 1.93 / 0.97 1.7354 3 0 1 53.36 / 53.51 1.54 / 0.77 1.7154 -3 1 1 53.40 / 53.54 6.56 / 3.28 1.7144 0 1 5 53.55 / 53.69 2.75 / 1.38 1.7099 1 3 4 53.59 / 53.73 1.16 / 0.58 1.7088 3 1 1 54.20 / 54.35 2.33 / 1.16 1.6909 1 5 2 54.31 / 54.46 5.00 / 2.50 1.6876 -2 3 3 54.99 / 55.14 13.54 / 6.77 1.6684 3 2 0 55.29 / 55.44 5.07 / 2.53 1.6600 -1 0 5 55.66 / 55.81 3.65 / 1.83 1.6501 1 0 5 56.15 / 56.30 2.23 / 1.11 1.6367 -1 1 5 56.19 / 56.34 1.13 / 0.56 1.6357 3 2 1 56.34 / 56.49 5.82 / 2.91 1.6317 0 6 0 56.51 / 56.66 2.07 / 1.04 1.6271 1 1 5 57.54 / 57.70 2.83 / 1.41 1.6005 -2 2 4 58.11 / 58.26 1.75 / 0.87 1.5862 2 2 4 58.47 / 58.63 7.92 / 3.96 1.5773 2 5 0 58.68 / 58.84 1.39 / 0.69 1.5721 -1 2 5 59.03 / 59.19 2.57 / 1.28 1.5636 1 2 5 59.06 / 59.22 1.61 / 0.80 1.5629 -3 2 2 59.23 / 59.39 2.49 / 1.24 1.5588 -1 4 4 59.38 / 59.55 1.48 / 0.74 1.5551 -1 5 3 59.44 / 59.61 2.40 / 1.20 1.5537 -2 5 1 59.47 / 59.64 1.27 / 0.64 1.5529 3 2 2 59.50 / 59.67 1.49 / 0.75 1.5522 1 4 4 60.18 / 60.34 1.74 / 0.87 1.5364 -1 6 1 60.18 / 60.35 4.08 / 2.04 1.5363 0 3 5 60.22 / 60.38 2.46 / 1.23 1.5355 -2 4 3 60.55 / 60.72 5.06 / 2.53 1.5279 0 6 2 60.63 / 60.80 8.37 / 4.19 1.5260 2 4 3 61.66 / 61.83 3.92 / 1.96 1.5029 -3 1 3 62.28 / 62.45 3.82 / 1.91 1.4896 3 1 3 62.45 / 62.63 1.69 / 0.84 1.4858 -2 5 2 62.72 / 62.90 2.44 / 1.22 1.4801 2 5 2 63.08 / 63.26 1.04 / 0.52 1.4725 1 3 5 64.12 / 64.30 1.25 / 0.63 1.4511 0 0 6 64.28 / 64.46 2.63 / 1.31 1.4480 -2 1 5 64.84 / 65.02 2.88 / 1.44 1.4367 3 4 0 66.62 / 66.80 2.57 / 1.29 1.4027 -2 2 5 67.27 / 67.46 4.89 / 2.44 1.3907 2 2 5 67.34 / 67.53 2.34 / 1.17 1.3894 -2 5 3 68.09 / 68.29 4.80 / 2.40 1.3758 -1 6 3 68.20 / 68.40 1.39 / 0.69 1.3738 -1 4 5 68.29 / 68.48 2.15 / 1.07 1.3724 1 6 3 69.42 / 69.62 1.76 / 0.88 1.3527 1 7 0 70.43 / 70.63 1.19 / 0.60 1.3358 -2 3 5 70.69 / 70.89 1.49 / 0.74 1.3315 0 7 2 70.72 / 70.92 2.61 / 1.31 1.3310 4 0 0 71.06 / 71.27 1.06 / 0.53 1.3254 2 3 5 71.47 / 71.68 4.49 / 2.24 1.3188 4 1 0 73.15 / 73.36 1.79 / 0.89 1.2927 -1 7 2 73.36 / 73.58 1.06 / 0.53 1.2894 -1 3 6 74.48 / 74.70 1.08 / 0.54 1.2729 -3 3 4 74.76 / 74.98 1.21 / 0.61 1.2688 -2 1 6 75.38 / 75.60 1.58 / 0.79 1.2599 0 7 3 75.47 / 75.69 1.23 / 0.62 1.2587 4 1 2 75.58 / 75.80 1.08 / 0.54 1.2571 -2 6 3 75.62 / 75.84 2.65 / 1.32 1.2564 -2 4 5 76.24 / 76.46 3.70 / 1.85 1.2478 2 4 5 76.86 / 77.09 3.04 / 1.52 1.2393 -3 1 5 77.78 / 78.01 3.68 / 1.84 1.2269 3 1 5 77.94 / 78.17 1.19 / 0.59 1.2248 1 7 3 79.45 / 79.68 1.23 / 0.61 1.2053 -4 1 3 79.78 / 80.01 1.24 / 0.62 1.2011 -3 5 3 80.32 / 80.56 1.58 / 0.79 1.1943 3 5 3 82.90 / 83.15 2.18 / 1.09 1.1637 -1 6 5 88.82 / 89.10 1.32 / 0.66 1.1007 4 5 0 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.