Aluminocoquimbite Demartin F, Castellano C, Gramaccioli C M, Campostrini I The Canadian Mineralogist 48 (2010) 323-333 Aluminum-for-iron substitution, hydrogen bonding, and a novel structure-type in coquimbite-like minerals Note: sample vulc2 Locality: Alum Grotto, Vulcano, Aeolian Islands, Sicily, Italy _database_code_amcsd 0006337 CELL PARAMETERS: 10.7065 10.7065 17.3077 90.000 90.000 120.000 SPACE GROUP: P-31c X-RAY WAVELENGTH: 1.541838 Cell Volume: 1718.166 Density (g/cm3): 2.061 MAX. ABS. INTENSITY / VOLUME**2: 20.70447986 RIR: 3.271 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 9.54 100.00 9.2721 1 0 0 6 10.22 8.96 8.6538 0 0 2 2 14.00 7.60 6.3265 1 0 2 12 16.56 13.49 5.3533 1 1 0 6 18.11 2.49 4.8984 1 0 3 12 19.50 15.32 4.5526 1 1 2 6 19.83 13.46 4.4782 2 0 1 12 20.53 2.34 4.3269 0 0 4 2 24.63 8.19 3.6138 2 0 3 12 25.42 1.09 3.5045 2 1 0 12 25.94 2.74 3.4348 2 1 1 12 25.94 5.52 3.4348 3 -1 1 12 26.49 22.34 3.3651 1 1 4 6 26.49 4.69 3.3651 2 -1 4 6 27.46 11.35 3.2483 3 -1 2 12 27.46 2.78 3.2483 2 1 2 12 27.50 1.25 3.2429 1 0 5 12 28.21 14.64 3.1632 2 0 4 12 29.35 5.34 3.0426 3 0 1 12 32.27 5.02 2.7737 2 0 5 12 32.88 15.17 2.7244 3 0 3 12 32.89 9.80 2.7233 3 -1 4 12 34.89 1.23 2.5716 3 1 0 12 35.35 1.72 2.5394 2 -1 6 6 35.70 5.24 2.5150 3 0 4 12 36.45 1.30 2.4651 3 1 2 12 36.48 1.44 2.4627 2 1 5 12 39.07 1.51 2.3055 3 0 5 12 39.21 1.31 2.2975 4 0 1 12 39.59 4.71 2.2763 4 -2 4 6 40.82 3.76 2.2107 4 -1 4 12 42.50 1.59 2.1272 3 2 0 12 42.93 1.30 2.1069 1 0 8 12 44.79 1.21 2.0233 4 1 0 12 44.86 1.39 2.0203 3 -1 7 12 46.27 2.02 1.9621 4 -2 6 6 47.63 2.79 1.9093 4 1 3 12 49.75 3.51 1.8328 5 -1 4 12 49.75 1.11 1.8328 4 1 4 12 51.19 1.99 1.7844 3 3 0 6 51.57 2.13 1.7724 3 0 8 12 52.35 1.05 1.7477 6 -3 2 6 52.38 2.04 1.7468 4 1 5 12 54.54 4.11 1.6826 2 2 8 6 54.54 1.20 1.6826 4 -2 8 6 55.51 1.18 1.6555 3 1 8 12 58.99 1.67 1.5659 5 -1 7 12 61.09 1.19 1.5168 5 -2 8 12 61.09 1.26 1.5168 3 2 8 12 62.89 1.48 1.4778 5 -1 8 12 74.16 1.03 1.2786 4 4 4 6 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.