Coquimbite 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 Locality: La Alcaparrosa, Chile _database_code_amcsd 0006334 CELL PARAMETERS: 10.9370 10.9370 17.0813 90.000 90.000 120.000 SPACE GROUP: P-31c X-RAY WAVELENGTH: 1.541838 Cell Volume: 1769.490 Density (g/cm3): 2.068 MAX. ABS. INTENSITY / VOLUME**2: 12.70309494 RIR: 2.000 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 9.34 42.63 9.4717 1 0 0 6 10.36 21.76 8.5407 0 0 2 2 10.68 100.00 8.2835 1 0 1 12 13.96 8.95 6.3429 1 0 2 12 16.21 35.07 5.4685 1 1 0 6 18.18 1.16 4.8799 1 0 3 12 18.74 15.83 4.7359 2 0 0 6 19.27 4.35 4.6054 2 -1 2 6 19.27 31.23 4.6054 1 1 2 6 19.45 6.77 4.5637 2 0 1 12 20.80 2.58 4.2703 0 0 4 2 22.84 2.36 3.8930 1 0 4 12 24.45 29.19 3.6410 2 0 3 12 24.87 4.59 3.5800 2 1 0 12 25.42 16.12 3.5038 3 -1 1 12 26.48 8.90 3.3657 2 -1 4 6 26.48 41.92 3.3657 1 1 4 6 27.01 2.00 3.3017 2 1 2 12 27.76 2.80 3.2136 1 0 5 12 28.14 1.36 3.1714 2 0 4 12 28.27 1.14 3.1572 3 0 0 6 28.76 11.94 3.1047 3 0 1 12 29.47 18.84 3.0307 3 -1 3 12 30.18 2.36 2.9614 3 0 2 12 32.31 12.68 2.7706 2 0 5 12 32.43 27.34 2.7612 3 0 3 12 32.64 6.84 2.7434 3 -1 4 12 32.64 4.74 2.7434 2 1 4 12 35.36 14.14 2.5387 3 0 4 12 35.55 3.83 2.5252 2 -1 6 6 35.76 1.42 2.5109 3 1 2 12 37.71 3.23 2.3853 4 -1 3 12 37.71 1.65 2.3853 3 1 3 12 38.00 1.35 2.3679 4 0 0 6 38.84 1.81 2.3187 3 0 5 12 39.12 9.14 2.3027 4 -2 4 6 41.56 1.14 2.1730 3 2 0 12 41.91 1.15 2.1556 3 2 1 12 43.46 2.88 2.0825 4 -1 5 12 43.80 3.08 2.0669 4 1 0 12 44.96 1.16 2.0163 3 -1 7 12 45.61 1.26 1.9889 2 -1 8 6 46.02 1.18 1.9720 2 2 6 6 46.02 4.20 1.9720 4 -2 6 6 46.66 1.59 1.9465 2 0 8 12 46.76 4.05 1.9428 4 1 3 12 48.96 8.07 1.8604 5 -1 4 12 48.96 3.11 1.8604 4 1 4 12 50.04 4.52 1.8228 3 3 0 6 51.25 2.55 1.7827 6 -3 2 6 51.25 1.70 1.7827 3 3 2 6 51.32 1.01 1.7802 4 2 1 12 51.68 4.12 1.7687 3 0 8 12 51.69 3.33 1.7684 4 1 5 12 52.87 1.77 1.7316 5 0 4 12 53.01 1.70 1.7273 5 -2 6 12 53.96 1.31 1.6993 4 0 7 12 54.53 2.33 1.6828 4 -2 8 6 54.53 7.29 1.6828 2 2 8 6 54.74 1.22 1.6768 3 -1 9 12 54.89 1.70 1.6726 4 1 6 12 55.04 1.02 1.6684 5 1 2 12 56.73 1.59 1.6228 3 2 7 12 58.46 1.46 1.5786 6 0 0 6 58.52 1.87 1.5772 5 -1 7 12 61.10 2.18 1.5167 5 2 0 12 61.75 1.18 1.5024 3 0 10 12 62.16 1.85 1.4933 7 -2 2 12 62.55 2.96 1.4851 5 -1 8 12 62.55 2.67 1.4851 4 1 8 12 62.75 1.85 1.4807 6 0 4 12 65.29 1.49 1.4292 7 -2 4 12 65.29 1.60 1.4292 5 2 4 12 67.57 1.64 1.3863 6 -3 8 6 68.06 1.27 1.3775 1 1 12 6 69.65 1.68 1.3499 4 4 2 6 71.68 1.15 1.3167 5 -1 10 12 72.61 1.76 1.3020 4 4 4 6 72.90 1.90 1.2977 3 0 12 12 79.65 1.28 1.2037 7 1 4 12 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.