Alpersite Peterson R C, Hammarstrom J M, Seal R R American Mineralogist 91 (2006) 261-269 Alpersite (Mg,Cu)SO4*7H2O, a new mineral of the melanterite group, and cuprian pentahydrite: Their occurrence within mine waste Locality: Miami, Arizona, USA _database_code_amcsd 0004015 CELL PARAMETERS: 14.1890 6.5470 10.8300 90.000 105.872 90.000 SPACE GROUP: P2_1/c X-RAY WAVELENGTH: 1.541838 Cell Volume: 967.701 Density (g/cm3): 1.915 MAX. ABS. INTENSITY / VOLUME**2: 7.120404394 RIR: 1.210 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 6.48 6.76 13.6480 1 0 0 2 12.97 5.29 6.8240 2 0 0 2 15.01 2.71 5.9030 1 1 0 4 15.99 17.83 5.5431 0 1 1 4 16.36 2.25 5.4180 -1 1 1 4 16.47 9.15 5.3811 -1 0 2 2 17.02 5.36 5.2086 0 0 2 2 18.13 100.00 4.8934 1 1 1 4 18.39 49.72 4.8255 -2 0 2 2 19.51 2.61 4.5493 3 0 0 2 19.84 16.69 4.4755 1 0 2 2 22.08 6.40 4.0254 2 1 1 4 22.15 1.78 4.0130 -3 0 2 2 22.89 1.32 3.8844 -2 1 2 4 23.42 66.65 3.7981 -3 1 1 4 24.17 17.25 3.6829 2 0 2 2 26.12 2.59 3.4120 4 0 0 2 27.11 1.46 3.2897 3 1 1 4 27.24 20.86 3.2735 0 2 0 2 28.23 8.61 3.1608 -1 1 3 4 28.58 3.90 3.1229 0 2 1 4 28.66 4.36 3.1151 -4 1 1 4 28.80 2.56 3.1000 -1 2 1 4 28.88 14.58 3.0911 -2 1 3 4 29.39 5.98 3.0392 3 0 2 2 29.52 10.98 3.0258 4 1 0 4 30.35 9.43 2.9449 -4 1 2 4 32.00 8.63 2.7967 -1 2 2 4 32.48 7.96 2.7567 3 1 2 4 32.49 1.61 2.7555 2 2 1 4 32.61 1.72 2.7461 -5 0 2 2 32.76 24.16 2.7335 4 1 1 4 33.21 11.87 2.6976 -1 0 4 2 33.73 11.26 2.6571 3 2 0 4 33.93 13.50 2.6422 1 2 2 4 34.26 8.86 2.6171 -4 1 3 4 34.44 1.52 2.6043 0 0 4 2 34.70 4.68 2.5855 -3 0 4 2 35.16 1.47 2.5521 4 0 2 2 35.39 1.69 2.5366 -3 2 2 4 35.45 1.99 2.5324 -5 1 2 4 35.64 4.17 2.5194 5 1 0 4 36.01 1.43 2.4941 -1 1 4 4 36.20 4.99 2.4815 3 2 1 4 36.86 7.23 2.4383 1 0 4 2 37.08 1.38 2.4248 -1 2 3 4 37.27 1.52 2.4127 -4 0 4 2 37.40 5.89 2.4048 -3 1 4 4 37.41 2.92 2.4039 -4 2 1 4 37.77 6.10 2.3819 0 2 3 4 38.62 2.72 2.3315 -6 0 2 2 38.76 2.10 2.3231 -4 2 2 4 38.84 2.85 2.3187 5 1 1 4 39.27 1.45 2.2945 -3 2 3 4 40.50 1.79 2.2273 3 2 2 4 40.83 1.91 2.2102 -5 0 4 2 41.10 5.45 2.1964 -6 1 2 4 42.05 1.02 2.1487 6 1 0 4 43.24 2.24 2.0924 1 3 1 4 44.36 2.62 2.0419 -1 1 5 4 44.82 6.32 2.0223 -1 3 2 4 45.04 3.91 2.0127 4 2 2 4 45.19 2.86 2.0065 -6 0 4 2 45.24 2.26 2.0044 6 1 1 4 45.62 1.14 1.9884 -2 3 2 4 45.70 5.10 1.9853 0 1 5 4 45.91 15.18 1.9766 -3 3 1 4 46.58 1.13 1.9497 7 0 0 2 46.77 1.60 1.9422 -4 2 4 4 46.79 1.02 1.9416 3 1 4 4 47.11 1.23 1.9292 -7 1 1 4 47.39 1.71 1.9184 -6 1 4 4 47.90 2.84 1.8991 -6 2 2 4 48.00 3.98 1.8955 1 1 5 4 48.06 3.83 1.8931 3 3 1 4 48.73 1.55 1.8686 7 1 0 4 48.75 2.15 1.8680 6 2 0 4 48.93 2.36 1.8617 -7 1 3 4 49.21 2.64 1.8514 -5 1 5 4 49.33 5.10 1.8474 2 2 4 4 49.50 1.38 1.8415 4 0 4 2 49.79 2.59 1.8313 5 1 3 4 50.54 1.40 1.8060 -3 3 3 4 50.58 1.55 1.8046 -2 0 6 2 50.91 4.55 1.7937 -3 0 6 2 51.75 2.34 1.7665 4 3 1 4 51.93 3.41 1.7608 7 1 1 4 52.17 1.39 1.7533 -4 0 6 2 53.57 4.00 1.7107 -6 2 4 4 53.73 1.83 1.7060 8 0 0 2 54.80 2.51 1.6751 7 2 0 4 55.08 3.10 1.6673 3 1 5 4 55.39 1.47 1.6586 4 3 2 4 56.15 1.78 1.6382 5 3 1 4 56.20 2.28 1.6367 0 4 0 2 56.92 2.72 1.6177 -7 1 5 4 58.39 1.57 1.5804 -2 2 6 4 59.65 1.48 1.5500 -2 4 2 4 59.84 1.31 1.5456 -4 2 6 4 60.20 1.45 1.5372 1 4 2 4 60.35 4.10 1.5338 0 2 6 4 61.27 1.83 1.5129 8 2 0 4 61.30 1.95 1.5123 -9 1 3 4 61.70 2.54 1.5035 -3 1 7 4 62.79 1.00 1.4800 -7 1 6 4 62.99 1.39 1.4757 4 4 0 4 69.38 1.15 1.3545 -4 4 4 4 73.57 1.35 1.2875 4 2 6 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.