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: Miami, Arizona, USA _database_code_amcsd 0004017 CELL PARAMETERS: 6.2470 10.5995 6.0395 82.530 109.408 104.794 SPACE GROUP: P-1 X-RAY WAVELENGTH: 1.541838 Cell Volume: 364.231 Density (g/cm3): 2.232 MAX. ABS. INTENSITY / VOLUME**2: 5.001821800 RIR: 0.730 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 15.44 51.33 5.7384 1 0 0 2 15.58 9.15 5.6893 0 0 1 2 15.90 55.19 5.5738 -1 1 0 2 17.33 6.31 5.1178 0 2 0 2 17.45 40.83 5.0808 0 1 1 2 18.21 2.64 4.8714 0 -1 1 2 18.21 3.79 4.8709 -1 0 1 2 18.24 100.00 4.8639 -1 1 1 2 19.37 8.60 4.5817 1 1 0 2 20.47 7.50 4.3397 -1 2 0 2 21.97 6.57 4.0449 -1 -1 1 2 22.04 6.10 4.0331 -1 2 1 2 22.79 44.96 3.9022 0 2 1 2 23.96 85.02 3.7145 0 -2 1 2 25.81 4.41 3.4525 1 -1 1 2 25.82 14.97 3.4504 1 2 0 2 26.12 10.94 3.4119 0 3 0 2 27.21 19.99 3.2774 -1 3 0 2 27.63 48.11 3.2284 1 1 1 2 28.10 25.42 3.1753 -1 -2 1 2 28.19 2.72 3.1658 -1 3 1 2 29.14 46.94 3.0641 1 -2 1 2 29.15 5.07 3.0637 -2 1 1 2 29.86 8.38 2.9921 0 3 1 2 30.19 11.00 2.9599 -2 0 1 2 30.39 5.98 2.9416 -2 1 0 2 30.72 41.96 2.9109 -2 2 1 2 31.17 14.99 2.8692 2 0 0 2 31.23 9.99 2.8641 0 -3 1 2 32.12 2.63 2.7869 -2 2 0 2 32.24 17.89 2.7765 0 1 2 2 32.49 23.10 2.7561 -1 2 2 2 33.08 29.01 2.7078 -1 -1 2 2 33.10 2.44 2.7064 0 -1 2 2 33.46 46.48 2.6779 1 3 0 2 34.32 3.77 2.6130 2 1 0 2 34.53 1.94 2.5975 1 -3 1 2 35.01 16.48 2.5633 -1 4 0 2 35.07 3.04 2.5589 0 4 0 2 35.59 3.35 2.5224 -1 4 1 2 36.04 10.28 2.4920 -2 3 0 2 36.90 26.23 2.4357 0 -2 2 2 36.96 6.49 2.4320 -2 2 2 2 37.76 5.82 2.3826 -1 -2 2 2 37.83 3.65 2.3782 0 4 1 2 38.66 7.27 2.3290 1 3 1 2 39.32 1.84 2.2916 0 -4 1 2 39.33 3.02 2.2908 2 2 0 2 39.33 2.55 2.2906 2 0 1 2 39.50 4.18 2.2812 1 0 2 2 40.06 1.24 2.2508 1 -1 2 2 40.12 15.00 2.2476 -2 3 2 2 40.15 4.93 2.2458 -2 4 1 2 41.27 1.61 2.1874 1 -4 1 2 41.62 10.29 2.1698 -2 4 0 2 41.77 5.99 2.1623 2 1 1 2 42.36 3.31 2.1335 0 -3 2 2 43.76 4.35 2.0688 -1 5 1 2 43.89 1.42 2.0628 -1 -3 2 2 44.25 1.05 2.0471 0 5 0 2 44.28 1.66 2.0455 1 2 2 2 44.95 8.86 2.0165 -2 4 2 2 45.49 1.34 1.9940 -2 -3 1 2 45.70 6.78 1.9853 2 3 0 2 45.94 16.06 1.9754 2 2 1 2 46.12 3.87 1.9682 -3 3 1 2 46.26 5.43 1.9624 -3 1 0 2 46.55 1.97 1.9511 0 4 2 2 46.77 3.11 1.9422 1 -3 2 2 46.78 3.42 1.9420 -3 2 0 2 46.78 4.52 1.9419 -3 1 2 2 47.55 4.20 1.9123 -1 -1 3 2 47.97 4.74 1.8965 0 -5 1 2 47.97 8.99 1.8964 0 0 3 2 48.27 1.22 1.8855 -3 -1 1 2 48.33 1.31 1.8834 -2 2 3 2 48.59 17.36 1.8737 -2 0 3 2 48.91 5.98 1.8621 -3 3 2 2 49.03 3.62 1.8579 -3 3 0 2 49.05 5.48 1.8573 0 -4 2 2 49.15 6.64 1.8536 1 3 2 2 49.30 2.94 1.8484 0 -1 3 2 49.82 1.73 1.8303 -1 3 3 2 49.96 1.82 1.8255 -3 4 1 2 50.63 1.11 1.8030 1 5 0 2 51.27 1.31 1.7820 -1 -2 3 2 51.57 1.38 1.7724 -3 -1 2 2 51.62 7.74 1.7705 2 -1 2 2 51.84 3.46 1.7636 2 0 2 2 52.39 8.78 1.7463 -1 -5 1 2 52.86 1.19 1.7320 -3 4 0 2 52.98 1.66 1.7283 -3 -2 1 2 53.04 2.67 1.7266 -2 -4 1 2 53.05 2.27 1.7262 2 -2 2 2 53.08 1.07 1.7252 2 4 0 2 53.87 1.67 1.7020 0 5 2 2 54.20 3.02 1.6924 1 5 1 2 54.48 1.72 1.6843 -1 4 3 2 54.68 3.74 1.6787 -2 6 1 2 54.72 1.19 1.6775 -2 4 3 2 55.15 3.74 1.6653 -3 1 3 2 55.20 9.30 1.6641 -3 5 1 2 56.38 3.25 1.6320 -1 -3 3 2 56.58 1.48 1.6267 1 1 3 2 56.78 3.72 1.6213 -3 3 3 2 57.77 3.56 1.5960 3 1 1 2 58.10 4.75 1.5877 -2 -4 2 2 58.23 6.11 1.5845 2 4 1 2 58.29 3.01 1.5829 -2 6 2 2 59.09 1.46 1.5633 1 2 3 2 59.09 2.80 1.5633 1 -5 2 2 59.42 3.57 1.5555 -4 2 1 2 59.73 1.34 1.5481 -4 1 1 2 59.87 1.89 1.5449 -3 4 3 2 59.98 2.81 1.5424 1 6 0 2 60.39 1.21 1.5329 -1 5 3 2 60.61 1.51 1.5279 3 -4 1 2 61.40 1.43 1.5101 -2 -5 1 2 61.54 2.14 1.5070 -4 0 1 2 61.61 1.90 1.5054 -3 6 1 2 61.76 1.20 1.5020 -1 1 4 2 62.04 1.31 1.4961 0 6 2 2 62.30 2.37 1.4904 -2 1 4 2 62.41 1.65 1.4879 2 -6 1 2 62.79 1.46 1.4800 -2 2 4 2 62.79 1.76 1.4800 -4 0 2 2 63.01 1.29 1.4752 1 3 3 2 63.64 1.22 1.4622 0 7 0 2 64.65 2.03 1.4418 -2 7 0 2 65.01 1.62 1.4346 4 0 0 2 66.06 1.07 1.4144 2 -5 2 2 66.48 2.05 1.4064 -1 7 2 2 67.12 2.16 1.3946 2 0 3 2 67.18 2.59 1.3934 -4 4 0 2 67.47 4.05 1.3882 0 2 4 2 70.51 1.92 1.3355 -2 -6 1 2 70.71 1.63 1.3323 -4 -2 2 2 72.73 1.96 1.3002 4 -3 1 2 74.15 1.48 1.2787 1 1 4 2 74.74 1.14 1.2702 0 4 4 2 75.24 1.10 1.2629 -3 5 4 2 76.49 1.23 1.2454 -4 -2 3 2 86.42 1.01 1.1260 -1 9 2 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.