Starkeyite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern Baur W H Acta Crystallographica 17 (1964) 863-869 On the crystal chemistry of salt hydrates. II. A neutron diffraction study of MgSO4*4H2O Locality: synthetic CELL PARAMETERS: 5.919086 13.59934 7.909544 90.00000 90.89484 90.00000 SPACE GROUP: P2_1/n X-RAY WAVELENGTH: 1.541838 MAX. ABS. INTENSITY / VOLUME**2: 4.218543545 2-THETA INTENSITY D-SPACING H K L 12.94 31.02 6.8366 0 1 1 13.01 17.27 6.7997 0 2 0 16.32 71.05 5.4267 1 1 0 17.19 7.12 5.1560 0 2 1 18.57 3.39 4.7743 -1 0 1 18.85 38.03 4.7033 1 0 1 19.69 3.66 4.5048 -1 1 1 19.87 100.00 4.4642 1 2 0 19.96 21.86 4.4450 1 1 1 22.47 67.76 3.9543 0 0 2 22.59 4.17 3.9329 0 3 1 22.97 2.56 3.8681 1 2 1 23.41 8.17 3.7970 0 1 2 24.72 10.87 3.5988 1 3 0 26.19 49.98 3.3998 0 4 0 27.30 7.04 3.2639 1 3 1 27.70 45.25 3.2179 -1 1 2 28.09 3.31 3.1743 1 1 2 29.96 7.41 2.9799 0 3 2 29.99 15.48 2.9775 -1 2 2 30.18 6.59 2.9592 2 0 0 30.29 37.23 2.9480 1 4 0 30.35 33.26 2.9429 1 2 2 30.90 6.23 2.8915 2 1 0 32.30 20.48 2.7694 -1 4 1 32.47 13.61 2.7553 1 4 1 32.79 15.25 2.7292 -2 1 1 32.99 3.44 2.7134 2 2 0 33.12 5.18 2.7024 2 1 1 33.48 2.39 2.6742 -1 3 2 33.81 5.54 2.6491 1 3 2 34.63 1.86 2.5880 0 1 3 34.77 5.94 2.5779 -2 2 1 35.09 24.73 2.5553 2 2 1 36.22 6.88 2.4779 2 3 0 36.32 1.01 2.4714 1 5 0 36.53 13.66 2.4579 0 2 3 37.09 25.67 2.4222 -1 0 3 37.54 4.42 2.3942 1 0 3 37.65 3.08 2.3872 -2 0 2 37.88 4.58 2.3735 -2 3 1 38.05 5.33 2.3633 -1 5 1 38.13 4.74 2.3580 1 1 3 38.19 1.33 2.3547 1 4 2 38.24 3.38 2.3517 2 0 2 38.25 12.95 2.3512 -2 1 2 38.83 8.84 2.3173 2 1 2 39.46 1.42 2.2818 -1 2 3 39.51 8.48 2.2789 0 3 3 39.74 24.26 2.2666 0 6 0 39.89 2.89 2.2583 1 2 3 40.00 2.75 2.2524 -2 2 2 40.38 2.02 2.2321 2 4 0 40.56 9.07 2.2225 2 2 2 41.41 3.44 2.1788 0 6 1 42.16 1.11 2.1416 2 4 1 42.27 2.76 2.1364 -1 3 3 42.78 2.19 2.1122 -2 3 2 43.00 1.81 2.1019 -1 5 2 43.26 1.02 2.0896 1 5 2 43.31 1.54 2.0875 2 3 2 44.20 2.29 2.0475 -1 6 1 45.86 2.79 1.9771 0 0 4 45.97 2.94 1.9727 -1 4 3 46.12 8.45 1.9664 0 6 2 46.21 4.82 1.9631 -2 1 3 46.88 5.54 1.9364 2 5 1 46.96 3.37 1.9335 2 1 3 47.64 3.22 1.9072 3 0 1 47.72 1.83 1.9044 -2 2 3 47.98 1.10 1.8947 3 2 0 48.45 11.11 1.8774 2 2 3 48.64 1.97 1.8705 -1 6 2 48.75 4.86 1.8663 -1 1 4 48.88 2.53 1.8618 1 6 2 50.41 3.31 1.8089 3 3 0 50.69 1.23 1.7995 -1 7 1 50.81 10.09 1.7956 1 7 1 50.86 1.93 1.7939 2 3 3 51.63 3.04 1.7689 -3 3 1 51.97 1.45 1.7582 -2 6 1 52.20 4.93 1.7510 2 6 1 52.55 3.39 1.7400 3 1 2 53.25 8.02 1.7187 -3 2 2 53.43 1.56 1.7135 -2 4 3 53.93 1.21 1.6988 3 2 2 54.84 1.53 1.6726 -3 4 1 55.18 3.48 1.6633 3 4 1 55.44 2.55 1.6560 -2 0 4 55.48 1.14 1.6550 -1 6 3 55.52 2.08 1.6539 -3 3 2 55.81 2.20 1.6460 1 6 3 55.89 2.66 1.6438 -2 1 4 56.26 9.36 1.6339 1 8 0 56.63 1.14 1.6240 2 7 0 57.45 2.24 1.6028 -2 5 3 57.90 1.91 1.5914 -3 0 3 58.09 2.88 1.5866 2 5 3 58.72 2.30 1.5711 0 1 5 58.86 2.04 1.5678 3 0 3 59.12 2.97 1.5615 3 5 1 59.22 1.64 1.5590 3 4 2 59.37 2.95 1.5554 -2 3 4 60.00 1.39 1.5406 0 2 5 60.21 1.96 1.5357 2 3 4 60.28 2.87 1.5341 -1 0 5 61.22 7.44 1.5127 1 1 5 61.41 5.70 1.5086 1 7 3 61.49 3.88 1.5068 -2 7 2 62.13 1.00 1.4928 -2 6 3 62.26 1.48 1.4899 0 6 4 62.32 2.20 1.4888 -2 4 4 62.39 1.11 1.4873 -3 5 2 62.74 1.27 1.4797 2 6 3 63.00 1.83 1.4743 3 5 2 63.49 1.16 1.4641 1 9 0 64.17 7.09 1.4502 -4 1 1 64.33 4.13 1.4470 2 8 1 64.53 2.49 1.4430 1 3 5 65.51 1.14 1.4237 3 4 3 66.79 1.06 1.3996 2 5 4 67.15 1.21 1.3929 -4 0 2 67.23 1.38 1.3914 -1 8 3 67.40 1.01 1.3884 -4 3 1 67.94 1.01 1.3786 3 1 4 67.93 1.15 1.3788 2 1 5 67.95 1.34 1.3783 -3 2 4 68.14 2.66 1.3751 -2 2 5 68.22 1.59 1.3736 -3 5 3 71.97 2.46 1.3110 0 9 3 72.26 1.22 1.3064 1 10 1 72.86 1.64 1.2971 0 6 5 73.40 1.20 1.2889 -4 4 2 73.64 5.46 1.2853 -4 5 1 73.84 2.39 1.2823 2 8 3 74.65 1.27 1.2704 -1 6 5 74.80 2.06 1.2682 -1 2 6 75.35 1.20 1.2603 -2 7 4 75.36 1.18 1.2601 1 2 6 75.70 1.08 1.2554 1 10 2 77.20 1.26 1.2347 3 5 4 77.69 1.96 1.2282 -3 8 2 80.01 2.91 1.1982 1 7 5 80.87 1.90 1.1877 -3 9 1 81.31 1.08 1.1824 3 3 5 85.18 1.13 1.1382 4 3 4 85.40 2.96 1.1359 -5 3 1 89.12 1.01 1.0978 -2 11 2 89.12 1.01 1.0978 -2 11 2 XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.