Pentahydrite 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: Big Mike mine, Nevada, USA _database_code_amcsd 0004016 CELL PARAMETERS: 6.2490 10.5846 6.0384 82.461 109.433 104.805 SPACE GROUP: P-1 X-RAY WAVELENGTH: 1.541838 Cell Volume: 363.674 Density (g/cm3): 2.217 MAX. ABS. INTENSITY / VOLUME**2: 5.151801577 RIR: 0.757 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 15.44 44.91 5.7397 1 0 0 2 15.58 7.57 5.6871 0 0 1 2 15.90 48.69 5.5726 -1 1 0 2 17.35 4.63 5.1100 0 2 0 2 17.46 35.31 5.0800 0 1 1 2 18.21 4.83 4.8709 -1 0 1 2 18.23 2.87 4.8659 0 -1 1 2 18.24 100.00 4.8650 -1 1 1 2 19.38 8.15 4.5808 1 1 0 2 20.48 8.19 4.3357 -1 2 0 2 21.99 6.29 4.0425 -1 -1 1 2 22.04 5.62 4.0323 -1 2 1 2 22.80 47.19 3.9005 0 2 1 2 23.99 74.91 3.7088 0 -2 1 2 25.82 2.95 3.4506 1 -1 1 2 25.84 14.77 3.4482 1 2 0 2 26.16 10.12 3.4067 0 3 0 2 27.25 15.12 3.2732 -1 3 0 2 27.63 43.54 3.2282 1 1 1 2 28.13 22.44 3.1721 -1 -2 1 2 28.21 2.95 3.1638 -1 3 1 2 29.14 3.77 3.0648 -2 1 1 2 29.17 42.92 3.0610 1 -2 1 2 29.88 8.93 2.9900 0 3 1 2 30.19 12.01 2.9606 -2 0 1 2 30.38 5.04 2.9420 -2 1 0 2 30.71 41.75 2.9113 -2 2 1 2 31.17 14.63 2.8698 2 0 0 2 31.28 8.96 2.8593 0 -3 1 2 32.12 3.23 2.7863 -2 2 0 2 32.25 18.12 2.7760 0 1 2 2 32.49 20.05 2.7561 -1 2 2 2 33.10 27.55 2.7060 -1 -1 2 2 33.13 2.49 2.7043 0 -1 2 2 33.49 43.72 2.6755 1 3 0 2 34.32 3.46 2.6131 2 1 0 2 34.58 2.16 2.5940 1 -3 1 2 35.06 16.80 2.5596 -1 4 0 2 35.12 3.44 2.5550 0 4 0 2 35.62 4.04 2.5202 -1 4 1 2 36.06 9.95 2.4905 -2 3 0 2 36.91 1.28 2.4355 -2 0 2 2 36.95 25.75 2.4329 0 -2 2 2 36.95 4.22 2.4325 -2 2 2 2 37.80 5.89 2.3803 -1 -2 2 2 37.87 3.31 2.3760 0 4 1 2 38.68 6.84 2.3280 1 3 1 2 39.33 2.81 2.2906 2 0 1 2 39.34 2.54 2.2904 2 2 0 2 39.39 1.57 2.2877 0 -4 1 2 39.52 4.54 2.2805 1 0 2 2 40.08 1.06 2.2495 1 -1 2 2 40.12 14.70 2.2477 -2 3 2 2 40.17 4.07 2.2446 -2 4 1 2 41.34 1.45 2.1840 1 -4 1 2 41.66 8.43 2.1678 -2 4 0 2 41.77 5.93 2.1623 2 1 1 2 42.43 3.30 2.1306 0 -3 2 2 43.81 3.41 2.0666 -1 5 1 2 43.95 1.13 2.0603 -1 -3 2 2 44.29 1.67 2.0453 1 2 2 2 44.32 1.11 2.0440 0 5 0 2 44.96 9.03 2.0161 -2 4 2 2 45.52 1.17 1.9927 -2 -3 1 2 45.72 6.51 1.9844 2 3 0 2 45.95 15.68 1.9752 2 2 1 2 46.12 3.74 1.9683 -3 3 1 2 46.26 4.75 1.9627 -3 1 0 2 46.57 2.09 1.9503 0 4 2 2 46.77 3.82 1.9425 -3 1 2 2 46.78 3.29 1.9421 -3 2 0 2 46.83 2.88 1.9399 1 -3 2 2 47.58 3.94 1.9112 -1 -1 3 2 47.58 1.19 1.9110 -2 1 3 2 47.99 8.36 1.8957 0 0 3 2 48.06 4.09 1.8933 0 -5 1 2 48.26 1.13 1.8857 -3 -1 1 2 48.60 16.38 1.8734 -2 0 3 2 48.90 6.38 1.8625 -3 3 2 2 48.96 1.05 1.8604 2 -4 1 2 49.04 2.86 1.8575 -3 3 0 2 49.13 5.07 1.8544 0 -4 2 2 49.16 6.63 1.8532 1 3 2 2 49.33 2.41 1.8472 0 -1 3 2 49.82 1.17 1.8302 -1 3 3 2 49.97 2.58 1.8251 -3 4 1 2 51.31 1.36 1.7805 -1 -2 3 2 51.64 6.97 1.7700 2 -1 2 2 51.85 3.19 1.7634 2 0 2 2 52.47 8.04 1.7438 -1 -5 1 2 52.89 1.55 1.7312 -3 4 0 2 52.99 1.91 1.7280 -3 -2 1 2 53.08 2.54 1.7253 2 -2 2 2 53.09 2.36 1.7250 -2 -4 1 2 53.12 1.07 1.7241 2 4 0 2 53.90 1.25 1.7011 0 5 2 2 54.24 3.17 1.6911 1 5 1 2 54.49 1.98 1.6841 -1 4 3 2 54.73 3.30 1.6770 -2 6 1 2 55.14 3.24 1.6655 -3 1 3 2 55.22 8.68 1.6633 -3 5 1 2 56.44 3.19 1.6302 -1 -3 3 2 56.59 1.41 1.6263 1 1 3 2 56.77 3.09 1.6217 -3 3 3 2 57.76 3.02 1.5962 3 1 1 2 58.17 4.69 1.5860 -2 -4 2 2 58.25 5.44 1.5839 2 4 1 2 58.33 3.21 1.5819 -2 6 2 2 59.10 1.27 1.5631 1 2 3 2 59.19 2.72 1.5609 1 -5 2 2 59.40 4.10 1.5559 -4 2 1 2 59.71 1.16 1.5485 -4 1 1 2 59.86 2.08 1.5451 -3 4 3 2 60.06 2.36 1.5405 1 6 0 2 60.41 1.15 1.5325 -1 5 3 2 60.65 1.28 1.5269 3 -4 1 2 61.47 1.25 1.5085 -2 -5 1 2 61.52 1.87 1.5074 -4 0 1 2 61.65 2.31 1.5044 -3 6 1 2 61.78 1.25 1.5017 -1 1 4 2 62.08 1.35 1.4950 0 6 2 2 62.30 2.35 1.4903 -2 1 4 2 62.51 1.83 1.4858 2 -6 1 2 62.77 1.64 1.4803 -4 0 2 2 62.79 1.44 1.4800 -2 2 4 2 63.74 1.28 1.4600 0 7 0 2 64.75 2.00 1.4398 -2 7 0 2 64.99 1.75 1.4349 4 0 0 2 66.54 2.09 1.4052 -1 7 2 2 67.14 2.30 1.3942 2 0 3 2 67.20 2.16 1.3932 -4 4 0 2 67.48 4.15 1.3880 0 2 4 2 70.61 2.06 1.3340 -2 -6 1 2 70.71 1.47 1.3322 -4 -2 2 2 71.26 1.01 1.3234 -3 4 4 2 72.75 2.02 1.2999 4 -3 1 2 74.18 1.23 1.2784 1 1 4 2 76.51 1.07 1.2451 -4 -2 3 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.