Minamiite Ossaka J, Hirabayashi J, Okada K, Kobayashi R, Hayashi T American Mineralogist 67 (1982) 114-119 Crystal structure of minamiite, a new mineral of the alunite group Note: mineral has been redefined as the 2R polytype of natroalunite _database_code_amcsd 0000857 CELL PARAMETERS: 6.9810 6.9810 33.4900 90.000 90.000 120.000 SPACE GROUP: R-3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 1413.452 Density (g/cm3): 2.806 MAX. ABS. INTENSITY / VOLUME**2: 13.06368332 RIR: 1.516 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 7.92 2.04 11.1633 0 0 3 2 15.58 6.23 5.6864 0 1 2 6 15.88 3.61 5.5817 0 0 6 2 18.10 81.64 4.9014 1 0 4 6 25.52 25.78 3.4905 1 1 0 6 25.89 1.29 3.4417 0 1 8 6 30.04 47.81 2.9748 2 0 2 6 30.20 100.00 2.9595 1 1 6 12 30.51 10.20 2.9296 1 0 10 6 32.07 9.09 2.7908 0 0 12 2 36.67 3.26 2.4507 2 0 8 6 40.19 1.68 2.2440 0 2 10 6 40.56 37.71 2.2244 0 1 14 6 40.94 6.11 2.2044 2 1 4 12 48.00 37.30 1.8955 3 0 6 6 48.53 2.93 1.8758 2 0 14 6 48.96 5.81 1.8606 0 0 18 2 52.43 28.42 1.7452 2 2 0 6 53.23 1.09 1.7209 0 2 16 6 55.92 4.86 1.6441 1 3 4 12 59.38 2.92 1.5566 3 1 8 12 59.93 5.43 1.5435 2 1 16 12 61.61 2.51 1.5053 0 4 2 6 61.88 2.77 1.4994 1 3 10 12 62.44 2.61 1.4874 4 0 4 6 62.80 9.03 1.4797 2 2 12 12 63.51 20.62 1.4648 2 0 20 6 65.68 2.82 1.4216 0 4 8 6 68.06 1.61 1.3776 4 0 10 6 68.31 3.02 1.3731 3 1 14 12 68.58 4.59 1.3683 3 2 4 12 68.66 2.94 1.3670 3 0 18 6 69.08 1.88 1.3596 0 2 22 6 71.51 2.22 1.3193 4 1 0 12 73.80 5.61 1.2839 1 4 6 12 73.80 2.88 1.2839 4 1 6 12 74.22 1.12 1.2778 0 4 14 6 74.55 2.41 1.2729 2 2 18 12 75.46 1.81 1.2598 0 1 26 6 79.96 8.22 1.1999 2 3 14 12 81.18 3.20 1.1849 3 1 20 12 82.99 1.48 1.1635 3 3 0 6 84.44 1.26 1.1472 3 0 24 6 86.79 4.51 1.1221 1 2 26 12 86.80 2.94 1.1220 0 4 20 6 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.