Alpersite Peterson R C, Hammarstrom J M, Seal II 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: Big Mike mine, Nevada, USA _database_code_amcsd 0004014 CELL PARAMETERS: 14.1660 6.5340 10.8380 90.000 105.922 90.000 SPACE GROUP: P2_1/c X-RAY WAVELENGTH: 1.541838 Cell Volume: 964.687 Density (g/cm3): 1.887 MAX. ABS. INTENSITY / VOLUME**2: 6.244573938 RIR: 1.078 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 6.49 6.98 13.6225 1 0 0 2 13.00 3.52 6.8113 2 0 0 2 15.04 2.88 5.8914 1 1 0 4 16.01 19.69 5.5360 0 1 1 4 16.46 10.90 5.3850 -1 0 2 2 17.01 4.15 5.2111 0 0 2 2 18.15 100.00 4.8864 1 1 1 4 18.38 52.48 4.8268 -2 0 2 2 19.55 2.81 4.5408 3 0 0 2 19.84 19.55 4.4747 1 0 2 2 22.12 7.66 4.0189 2 1 1 4 22.16 1.92 4.0117 -3 0 2 2 22.91 1.32 3.8824 -2 1 2 4 23.46 68.42 3.7923 -3 1 1 4 24.18 17.11 3.6801 2 0 2 2 26.17 2.30 3.4056 4 0 0 2 27.30 21.32 3.2670 0 2 0 2 28.23 7.96 3.1611 -1 1 3 4 28.63 4.53 3.1174 0 2 1 4 28.70 4.34 3.1100 -4 1 1 4 28.85 3.00 3.0946 -1 2 1 4 28.88 16.57 3.0913 -2 1 3 4 29.42 6.69 3.0358 3 0 2 2 29.58 11.89 3.0200 4 1 0 4 30.38 10.01 2.9418 -4 1 2 4 32.04 10.14 2.7932 -1 2 2 4 32.52 9.49 2.7531 3 1 2 4 32.55 2.07 2.7505 2 2 1 4 32.64 2.06 2.7431 -5 0 2 2 32.82 27.17 2.7287 4 1 1 4 33.19 13.97 2.6994 -1 0 4 2 33.80 11.92 2.6519 3 2 0 4 33.98 15.37 2.6386 1 2 2 4 34.28 10.42 2.6160 -4 1 3 4 34.42 1.34 2.6056 0 0 4 2 34.68 5.56 2.5870 -3 0 4 2 34.87 1.18 2.5733 2 1 3 4 35.21 1.10 2.5486 4 0 2 2 35.43 2.05 2.5332 -3 2 2 4 35.49 2.32 2.5292 -5 1 2 4 35.71 4.91 2.5147 5 1 0 4 36.00 1.40 2.4949 -1 1 4 4 36.27 5.61 2.4770 3 2 1 4 36.86 7.69 2.4387 1 0 4 2 37.11 1.40 2.4229 -1 2 3 4 37.26 1.61 2.4134 -4 0 4 2 37.39 6.48 2.4053 -3 1 4 4 37.48 2.77 2.3997 -4 2 1 4 37.80 7.13 2.3800 0 2 3 4 38.67 2.61 2.3284 -6 0 2 2 38.82 1.71 2.3198 -4 2 2 4 38.91 2.60 2.3145 5 1 1 4 39.30 1.87 2.2926 -3 2 3 4 39.44 1.18 2.2847 1 1 4 4 40.57 1.76 2.2239 3 2 2 4 40.83 2.10 2.2101 -5 0 4 2 41.16 6.43 2.1933 -6 1 2 4 42.03 1.05 2.1497 -4 2 3 4 42.13 1.25 2.1446 6 1 0 4 43.32 1.95 2.0885 1 3 1 4 44.34 2.39 2.0428 -1 1 5 4 44.89 6.75 2.0191 -1 3 2 4 45.12 3.50 2.0095 4 2 2 4 45.21 2.68 2.0058 -6 0 4 2 45.33 2.53 2.0008 6 1 1 4 45.69 5.87 1.9858 0 1 5 4 45.70 1.25 1.9853 -2 3 2 4 46.00 16.19 1.9729 -3 3 1 4 46.67 1.27 1.9461 7 0 0 2 46.80 1.44 1.9412 -4 2 4 4 46.82 1.26 1.9404 3 1 4 4 47.19 1.05 1.9258 -7 1 1 4 47.41 1.93 1.9175 -6 1 4 4 47.98 2.60 1.8961 -6 2 2 4 47.99 3.84 1.8956 1 1 5 4 48.16 3.80 1.8895 3 3 1 4 48.83 1.58 1.8651 7 1 0 4 48.85 2.01 1.8644 6 2 0 4 48.98 2.29 1.8596 -7 1 3 4 49.21 2.38 1.8516 -5 1 5 4 49.37 5.02 1.8460 2 2 4 4 49.54 1.34 1.8401 4 0 4 2 49.86 2.58 1.8289 5 1 3 4 50.54 1.61 1.8060 -2 0 6 2 50.61 1.36 1.8037 -3 3 3 4 50.87 5.36 1.7950 -3 0 6 2 51.86 2.67 1.7631 4 3 1 4 52.03 3.18 1.7576 7 1 1 4 52.13 1.30 1.7544 -4 0 6 2 53.07 1.02 1.7255 3 2 4 4 53.62 3.94 1.7094 -6 2 4 4 53.84 1.83 1.7028 8 0 0 2 54.92 2.89 1.6719 7 2 0 4 55.11 3.05 1.6666 3 1 5 4 55.50 1.55 1.6557 4 3 2 4 56.26 1.65 1.6351 5 3 1 4 56.32 2.30 1.6335 0 4 0 2 56.94 2.59 1.6172 -7 1 5 4 58.39 1.42 1.5806 -2 2 6 4 59.77 1.34 1.5473 -2 4 2 4 59.84 1.11 1.5456 -4 2 6 4 60.32 1.70 1.5345 1 4 2 4 60.35 4.13 1.5337 0 2 6 4 61.39 1.98 1.5103 -9 1 3 4 61.40 1.68 1.5100 8 2 0 4 61.66 2.40 1.5044 -3 1 7 4 62.79 1.15 1.4799 -7 1 6 4 63.12 1.43 1.4728 4 4 0 4 69.48 1.15 1.3528 -4 4 4 4 73.62 1.42 1.2866 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.