Fermorite Hughes J M, Drexler J W Neues Jahrbuch fur Mineralogie, Monatshefte 1991 (1991) 327-336 Cation substitution in the apatite tetrahedral site: crystal structures of type hydroxylellestadtite and type fermorite Locality: Sitipar deposit, India _database_code_amcsd 0014858 CELL PARAMETERS: 9.5935 9.5966 6.9754 90.000 90.000 119.971 SPACE GROUP: P2_1/m X-RAY WAVELENGTH: 1.541838 Cell Volume: 556.315 Density (g/cm3): 3.657 MAX. ABS. INTENSITY / VOLUME**2: 13.90636621 RIR: 1.238 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 10.64 3.42 8.3133 0 1 0 2 10.65 3.45 8.3106 1 0 0 2 10.65 3.42 8.3083 -1 1 0 2 16.59 2.12 5.3436 0 1 1 4 16.59 2.15 5.3429 1 0 1 4 16.59 2.09 5.3422 1 -1 1 4 18.49 1.08 4.7996 1 1 0 2 18.49 1.15 4.7983 -1 2 0 2 18.50 1.15 4.7967 -2 1 0 2 22.49 9.13 3.9540 1 1 1 4 22.49 9.01 3.9533 -1 2 1 4 22.50 8.95 3.9524 2 -1 1 4 24.94 1.06 3.5707 0 2 1 4 24.94 1.11 3.5699 2 0 1 4 24.95 1.07 3.5692 2 -2 1 4 25.54 67.92 3.4877 0 0 2 2 27.74 4.93 3.2161 0 1 2 4 27.74 4.88 3.2160 1 0 2 4 27.74 4.92 3.2158 1 -1 2 4 28.41 7.15 3.1418 2 1 0 2 28.41 7.11 3.1416 -1 3 0 2 28.42 7.10 3.1401 -3 2 0 2 31.22 17.29 2.8650 1 2 1 4 31.22 41.35 2.8646 2 1 1 4 31.22 41.35 2.8645 -1 3 1 4 31.23 17.17 2.8639 -2 3 1 4 31.23 17.44 2.8636 3 -1 1 4 31.24 41.46 2.8633 3 -2 1 4 31.71 26.46 2.8215 1 1 2 4 31.72 26.42 2.8212 -1 2 2 4 31.72 26.54 2.8209 2 -1 2 4 32.31 35.91 2.7711 0 3 0 2 32.32 35.81 2.7702 3 0 0 2 32.33 35.83 2.7694 -3 3 0 2 33.54 13.70 2.6718 0 2 2 4 33.55 13.72 2.6714 2 0 2 4 33.55 13.75 2.6711 2 -2 2 4 34.84 1.46 2.5753 0 3 1 4 34.85 1.47 2.5746 3 0 1 4 34.86 1.41 2.5740 3 -3 1 4 39.06 4.36 2.3058 1 3 0 2 39.07 2.39 2.3054 -1 4 0 2 39.07 2.42 2.3053 3 1 0 2 39.09 4.32 2.3046 -3 4 0 2 39.09 4.32 2.3046 -4 1 0 2 39.09 2.42 2.3042 -4 3 0 2 39.72 3.10 2.2693 2 2 1 4 39.73 3.10 2.2687 -2 4 1 4 39.74 3.14 2.2681 4 -2 1 4 41.24 4.67 2.1893 1 3 1 4 41.26 4.70 2.1883 -3 4 1 4 41.26 4.62 2.1883 4 -1 1 4 45.90 14.36 1.9770 2 2 2 4 45.91 14.46 1.9766 -2 4 2 4 45.92 14.34 1.9762 4 -2 2 4 47.26 2.30 1.9234 1 3 2 4 47.26 1.38 1.9232 -1 4 2 4 47.26 1.40 1.9232 3 1 2 4 47.27 2.30 1.9228 -3 4 2 4 47.27 2.26 1.9227 4 -1 2 4 47.28 1.42 1.9225 4 -3 2 4 47.68 1.15 1.9072 2 3 0 2 47.70 1.17 1.9065 -3 5 0 2 47.71 1.16 1.9061 -5 2 0 2 48.72 5.45 1.8691 1 2 3 4 48.72 12.92 1.8690 2 1 3 4 48.72 12.85 1.8689 -1 3 3 4 48.73 5.45 1.8688 -2 3 3 4 48.73 5.47 1.8687 3 -1 3 4 48.73 12.87 1.8686 3 -2 3 4 49.55 4.52 1.8397 2 3 1 4 49.55 3.78 1.8396 3 2 1 4 49.56 3.78 1.8393 -2 5 1 4 49.57 4.53 1.8390 -3 5 1 4 49.58 4.46 1.8387 5 -2 1 4 49.58 3.77 1.8386 5 -3 1 4 50.29 3.39 1.8142 1 4 0 2 50.30 2.10 1.8140 -1 5 0 2 50.31 2.11 1.8138 4 1 0 2 50.32 3.37 1.8133 -5 1 0 2 50.32 3.39 1.8132 -4 5 0 2 50.33 2.10 1.8129 -5 4 0 2 51.16 4.97 1.7854 0 4 2 4 51.18 4.95 1.7849 4 0 2 4 51.19 4.91 1.7846 4 -4 2 4 52.47 25.33 1.7438 0 0 4 2 54.87 6.13 1.6733 3 2 2 4 54.87 6.08 1.6731 -2 5 2 4 54.89 6.09 1.6725 5 -3 2 4 56.18 1.91 1.6372 1 3 3 4 56.19 1.13 1.6371 -1 4 3 4 56.19 1.14 1.6371 3 1 3 4 56.20 1.88 1.6368 -3 4 3 4 56.20 1.89 1.6368 4 -1 3 4 56.20 1.11 1.6367 4 -3 3 4 58.77 2.45 1.5711 2 4 0 2 58.80 2.47 1.5704 -4 6 0 2 58.81 2.43 1.5702 -6 2 0 2 59.26 2.11 1.5594 3 3 1 4 59.27 2.08 1.5590 -3 6 1 4 59.29 2.07 1.5585 6 -3 1 4 60.39 2.72 1.5327 2 4 1 4 60.42 2.75 1.5321 -4 6 1 4 60.43 2.74 1.5319 6 -2 1 4 60.74 1.24 1.5247 2 1 4 4 60.74 1.23 1.5247 -1 3 4 4 60.75 1.23 1.5245 3 -2 4 4 61.82 7.21 1.5008 0 5 2 4 61.83 7.20 1.5004 5 0 2 4 61.85 7.18 1.5001 5 -5 2 4 62.98 5.58 1.4759 0 3 4 4 62.98 5.58 1.4758 3 0 4 4 62.99 5.59 1.4757 3 -3 4 4 63.04 2.15 1.4745 3 2 3 4 63.05 2.16 1.4744 -2 5 3 4 63.07 2.17 1.4740 5 -3 3 4 63.75 4.15 1.4600 -1 6 1 4 63.76 4.12 1.4597 5 1 1 4 63.79 4.17 1.4591 6 -5 1 4 70.17 2.88 1.3411 4 3 1 4 70.19 2.88 1.3409 -3 7 1 4 70.22 2.84 1.3404 7 -4 1 4 70.79 1.37 1.3310 -2 7 0 2 70.79 1.37 1.3310 5 2 0 2 70.83 1.36 1.3303 -7 5 0 2 72.63 2.38 1.3018 2 4 3 4 72.65 2.39 1.3014 -4 6 3 4 72.66 2.38 1.3013 6 -2 3 4 74.40 2.29 1.2750 2 1 5 4 74.40 2.28 1.2750 -1 3 5 4 74.41 2.27 1.2749 3 -2 5 4 75.64 1.63 1.2572 1 4 4 4 75.66 1.61 1.2569 5 -1 4 4 75.67 1.62 1.2569 -4 5 4 4 75.71 2.33 1.2563 -1 6 3 4 75.72 2.32 1.2562 5 1 3 4 75.74 2.32 1.2558 6 -5 3 4 76.61 2.38 1.2437 2 5 2 4 76.65 2.35 1.2432 -5 7 2 4 76.65 2.38 1.2431 7 -2 2 4 79.95 1.02 1.1999 4 4 0 2 81.74 2.30 1.1782 4 3 3 4 81.75 2.30 1.1780 -3 7 3 4 81.78 2.29 1.1777 7 -4 3 4 82.67 1.48 1.1673 2 4 4 4 82.69 1.48 1.1670 -4 6 4 4 82.70 1.45 1.1669 6 -2 4 4 83.08 2.29 1.1626 0 0 6 2 85.65 1.20 1.1341 -1 6 4 4 85.66 1.21 1.1340 5 1 4 4 85.68 1.22 1.1338 6 -5 4 4 86.05 2.12 1.1299 1 1 6 4 86.05 2.13 1.1299 -1 2 6 4 86.05 2.12 1.1299 2 -1 6 4 86.58 2.34 1.1243 3 5 2 4 86.59 1.35 1.1241 5 3 2 4 88.87 1.24 1.1012 1 7 0 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.