Magnesiocopiapite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern for R060155 Susse P Zeitschrift fur Kristallographie 135 (1972) 34-55 Crystal structure and hydrogen bonding of copiapite Locality: Alcaparrosa, Chile CELL PARAMETERS: 7.342000 18.81800 7.389000 91.45000 102.1500 98.85000 SPACE GROUP: P-1 X-RAY WAVELENGTH: 1.541838 2-THETA INTENSITY D-SPACING H K L 4.80 100.00 18.5469 0 1 0 9.57 41.59 9.2734 0 2 0 12.31 3.50 7.2073 0 0 1 12.50 1.73 7.0960 1 0 0 12.95 4.59 6.8498 0 -1 1 13.46 1.59 6.5933 0 1 1 14.09 6.62 6.2961 1 1 0 14.35 19.62 6.1823 0 3 0 14.46 3.76 6.1351 -1 2 0 15.85 27.14 5.5998 -1 1 1 16.02 5.19 5.5410 0 2 1 16.64 10.34 5.3361 -1 -1 1 18.94 9.06 4.6904 -1 -2 1 19.46 1.62 4.5667 0 3 1 20.54 1.73 4.3273 1 3 0 20.63 1.29 4.3099 1 1 1 21.14 13.46 4.2058 -1 4 0 22.08 10.25 4.0289 -1 -3 1 22.84 6.87 3.8966 1 2 1 23.41 2.45 3.8029 0 4 1 23.67 2.74 3.7622 -1 4 1 24.72 1.72 3.6036 0 0 2 24.79 10.91 3.5938 -2 1 0 24.92 7.48 3.5755 0 -1 2 25.12 5.56 3.5480 2 0 0 25.35 4.84 3.5155 1 -4 1 25.40 1.97 3.5087 -2 2 0 25.46 12.22 3.5007 0 1 2 25.77 6.10 3.4592 -1 -4 1 25.79 1.20 3.4564 1 3 1 26.55 2.60 3.3587 -2 -1 1 26.89 1.69 3.3179 -2 3 0 27.06 1.87 3.2967 0 2 2 27.21 1.85 3.2790 -1 -2 2 27.54 4.37 3.2410 -1 5 1 27.59 2.57 3.2342 -2 3 1 27.68 2.78 3.2249 0 5 1 28.36 1.67 3.1480 2 2 0 28.44 1.94 3.1397 -2 -2 1 28.77 1.44 3.1042 1 -5 1 29.28 7.61 3.0520 1 4 1 29.61 2.17 3.0185 -1 6 0 29.90 1.40 2.9897 -2 4 1 30.03 2.86 2.9767 2 -1 1 30.43 1.14 2.9385 2 -2 1 30.56 2.84 2.9266 0 -4 2 30.62 2.50 2.9208 1 -2 2 31.42 2.75 2.8482 -1 4 2 31.56 1.97 2.8354 2 1 1 31.72 1.17 2.8221 -1 6 1 31.98 1.39 2.7994 1 -3 2 32.21 2.51 2.7796 -1 -4 2 32.32 1.17 2.7705 0 4 2 32.60 1.53 2.7478 1 -6 1 32.77 2.66 2.7336 1 2 2 33.44 2.15 2.6806 2 -4 1 33.40 1.25 2.6834 2 2 1 33.60 3.56 2.6681 -2 -2 2 34.16 3.08 2.6253 -1 7 0 34.23 1.01 2.6204 2 4 0 35.05 1.52 2.5607 1 3 2 35.72 3.39 2.5138 -2 -3 2 36.13 4.56 2.4865 -1 7 1 36.60 1.42 2.4558 1 -5 2 37.48 1.85 2.3999 0 -1 3 37.70 2.48 2.3863 -3 2 0 38.05 2.10 2.3653 3 0 0 39.27 2.13 2.2944 0 2 3 39.33 2.12 2.2912 2 0 2 40.56 1.89 2.2242 -2 1 3 40.73 1.36 2.2155 -1 8 1 41.50 1.89 2.1759 -2 -5 2 42.43 1.21 2.1306 1 -2 3 42.90 1.10 2.1081 3 -3 1 43.01 1.75 2.1029 -2 8 0 43.05 1.46 2.1009 1 1 3 43.88 1.28 2.0631 -2 -3 3 43.94 2.18 2.0608 0 9 0 43.90 1.68 2.0623 -2 8 1 44.44 1.03 2.0385 -1 5 3 44.87 1.48 2.0199 -3 -4 1 45.14 2.76 2.0085 -3 -3 2 45.86 1.53 1.9784 2 -6 2 50.08 1.15 1.8212 0 -10 1 50.28 1.00 1.8144 2 0 3 51.76 1.06 1.7658 -2 1 4 52.37 2.14 1.7469 0 9 2 52.93 1.20 1.7296 -2 -8 2 52.91 1.02 1.7302 -2 -2 4 54.07 1.22 1.6957 -3 9 0 56.80 1.01 1.6205 -2 10 2 60.86 1.05 1.5218 1 4 4 60.86 1.05 1.5218 1 4 4 XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.