Coskrenite-(Ce) Peacor D R, Rouse R C, Essene E J, Lauf R J The Canadian Mineralogist 37 (1999) 1453-1462 Coskrenite-(Ce), (Ce,Nd,La)2(SO4)2(C2O4).8H2O, a new rare-earth oxalate mineral from Alum Cave Bluff, Tennessee: Characterization and crystal structure Locality: Alum Cave Bluff, Tennessee, USA _database_code_amcsd 0005635 CELL PARAMETERS: 6.0070 8.3680 9.1890 99.900 105.550 107.710 SPACE GROUP: P-1 X-RAY WAVELENGTH: 1.541838 Cell Volume: 407.414 Density (g/cm3): 2.873 MAX. ABS. INTENSITY / VOLUME**2: 20.57448512 RIR: 2.332 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 10.40 82.13 8.5083 0 0 1 2 13.24 59.06 6.6850 0 -1 1 2 16.21 11.04 5.4667 -1 0 1 2 16.27 100.00 5.4481 -1 1 0 2 16.48 10.06 5.3785 1 0 0 2 17.59 14.75 5.0427 0 1 1 2 17.97 6.82 4.9352 -1 1 1 2 20.63 2.39 4.3053 1 -1 1 2 20.88 29.30 4.2541 0 0 2 2 20.90 16.44 4.2508 0 -1 2 2 21.76 3.75 4.0846 -1 -1 1 2 21.77 17.37 4.0831 -1 0 2 2 22.37 17.90 3.9746 1 0 1 2 23.22 40.19 3.8307 0 2 0 2 23.46 39.81 3.7927 1 1 0 2 24.55 21.61 3.6261 -1 1 2 2 24.86 10.80 3.5809 -1 -1 2 2 24.98 1.63 3.5652 1 -2 1 2 25.62 2.34 3.4767 -1 2 1 2 26.63 2.92 3.3475 0 1 2 2 26.67 26.95 3.3425 0 -2 2 2 28.06 3.99 3.1797 0 2 1 2 28.48 7.88 3.1336 1 -1 2 2 29.17 9.59 3.0610 1 1 1 2 30.44 4.47 2.9369 0 -1 3 2 30.72 3.13 2.9100 1 -2 2 2 30.91 1.16 2.8930 -2 1 0 2 31.27 1.81 2.8601 -2 0 1 2 31.46 5.12 2.8437 -1 -1 3 2 31.55 18.64 2.8361 0 0 3 2 31.79 7.15 2.8150 -1 2 2 2 32.28 12.69 2.7728 -1 -2 2 2 32.53 20.85 2.7524 -2 1 2 2 32.76 3.19 2.7334 -2 0 2 2 32.80 21.50 2.7302 -1 3 0 2 32.88 13.96 2.7240 -2 2 0 2 32.99 11.96 2.7148 -2 2 1 2 33.22 2.48 2.6971 1 -3 1 2 33.32 14.28 2.6893 2 0 0 2 33.35 2.64 2.6866 1 2 0 2 33.37 9.26 2.6853 -1 1 3 2 33.73 14.36 2.6572 0 -2 3 2 33.74 5.51 2.6563 0 -3 1 2 35.30 5.64 2.5428 2 -1 1 2 35.74 2.04 2.5120 -1 3 1 2 36.09 1.26 2.4886 2 -2 1 2 36.41 2.17 2.4676 -2 2 2 2 36.69 5.46 2.4497 -2 -1 1 2 36.70 1.34 2.4486 0 1 3 2 36.76 1.53 2.4451 -1 -2 3 2 36.89 8.00 2.4368 1 -3 2 2 37.04 7.44 2.4271 -2 -1 2 2 37.24 6.28 2.4143 1 1 2 2 37.41 3.50 2.4037 -2 0 3 2 37.89 3.07 2.3745 1 -1 3 2 38.39 3.39 2.3445 2 0 1 2 38.65 14.81 2.3298 1 2 1 2 38.74 1.90 2.3241 1 -2 3 2 39.55 2.65 2.2788 0 3 1 2 39.65 4.16 2.2732 -2 3 1 2 39.90 8.93 2.2593 -1 0 4 2 40.05 1.17 2.2513 -1 2 3 2 40.48 1.65 2.2283 0 -3 3 2 40.58 3.43 2.2230 2 -3 1 2 40.72 4.03 2.2159 1 0 3 2 40.77 6.77 2.2132 0 -1 4 2 41.90 2.07 2.1561 -1 -3 1 2 41.97 10.59 2.1526 2 -2 2 2 42.01 2.61 2.1506 -1 -3 2 2 42.44 7.47 2.1300 -2 2 3 2 42.53 1.47 2.1254 0 -2 4 2 43.10 4.52 2.0990 1 -3 3 2 43.43 4.90 2.0836 1 -4 1 2 43.45 7.35 2.0827 -2 3 2 2 43.60 4.93 2.0757 -1 -2 4 2 44.54 6.04 2.0343 1 3 0 2 44.70 7.35 2.0275 2 1 1 2 44.70 9.24 2.0273 0 2 3 2 44.86 4.89 2.0206 -1 -3 3 2 45.17 3.64 2.0072 2 -3 2 2 45.53 4.62 1.9923 -3 1 1 2 45.65 1.34 1.9873 2 0 2 2 45.82 5.76 1.9802 -2 1 4 2 46.06 1.65 1.9705 1 2 2 2 46.19 7.71 1.9653 -2 -1 4 2 46.24 1.82 1.9633 0 3 2 2 46.30 8.41 1.9610 0 -4 2 2 46.49 6.74 1.9535 -2 -2 3 2 46.67 6.12 1.9461 1 1 3 2 47.00 5.36 1.9333 -2 4 0 2 47.07 2.30 1.9306 -1 4 1 2 47.36 5.57 1.9195 -3 2 2 2 47.39 1.43 1.9182 -3 2 0 2 47.41 3.63 1.9176 0 1 4 2 47.47 8.09 1.9153 0 4 0 2 47.48 5.14 1.9151 0 -3 4 2 47.64 5.44 1.9090 -3 1 0 2 47.86 4.18 1.9006 -3 0 2 2 47.97 2.54 1.8963 2 2 0 2 48.13 3.57 1.8905 1 -2 4 2 48.17 1.78 1.8893 -3 0 1 2 48.64 2.67 1.8718 -2 4 1 2 49.05 2.50 1.8574 -3 1 3 2 49.06 3.17 1.8570 -1 3 3 2 49.53 2.26 1.8405 0 -4 3 2 49.58 1.16 1.8387 1 3 1 2 49.60 1.87 1.8380 -1 2 4 2 49.75 1.68 1.8328 -3 3 1 2 49.75 4.18 1.8326 2 -2 3 2 49.77 1.84 1.8322 -1 -1 5 2 50.24 4.49 1.8160 -3 3 0 2 50.42 3.46 1.8098 -1 0 5 2 50.94 1.28 1.7928 3 0 0 2 51.14 1.94 1.7863 3 -2 1 2 51.25 3.99 1.7826 2 -4 2 2 51.30 1.45 1.7810 1 0 4 2 51.71 1.60 1.7677 0 -1 5 2 51.74 2.03 1.7669 0 4 1 2 51.86 1.67 1.7631 2 -3 3 2 52.10 2.56 1.7553 -1 -2 5 2 52.46 1.76 1.7442 -1 4 2 2 52.47 2.38 1.7441 0 -2 5 2 53.12 2.41 1.7240 -1 -4 2 2 53.63 1.47 1.7088 -3 -1 1 2 53.75 2.18 1.7055 -1 -4 1 2 53.75 1.75 1.7054 -2 -3 2 2 53.84 1.84 1.7027 -2 -1 5 2 53.88 3.08 1.7017 0 0 5 2 53.98 2.68 1.6988 -3 -1 3 2 54.00 2.19 1.6981 -1 1 5 2 54.45 1.31 1.6852 2 0 3 2 54.53 2.02 1.6829 -3 0 4 2 54.94 2.62 1.6713 -2 1 5 2 54.98 1.07 1.6702 1 2 3 2 55.89 2.09 1.6451 -3 3 3 2 55.90 2.68 1.6447 3 0 1 2 56.01 2.24 1.6420 -1 5 0 2 56.03 2.57 1.6412 1 -5 2 2 56.72 1.92 1.6228 2 -4 3 2 56.80 1.28 1.6209 1 -4 4 2 56.87 2.21 1.6189 -3 2 4 2 56.90 1.72 1.6182 3 1 0 2 57.35 1.54 1.6065 -2 3 4 2 58.13 2.78 1.5868 3 -3 2 2 58.15 1.31 1.5864 0 -5 1 2 58.29 3.39 1.5830 -2 -3 4 2 58.54 1.02 1.5767 3 -1 2 2 58.54 1.90 1.5767 -3 4 2 2 58.68 1.48 1.5732 -2 4 3 2 58.73 1.91 1.5722 -1 -4 4 2 59.26 1.64 1.5593 1 -1 5 2 59.39 1.66 1.5563 1 -5 3 2 59.84 1.61 1.5456 -3 -2 2 2 60.17 1.76 1.5379 2 -3 4 2 60.45 1.30 1.5313 -1 -1 6 2 60.94 1.21 1.5203 -3 0 5 2 61.62 2.36 1.5051 1 4 1 2 62.16 2.23 1.4933 0 -4 5 2 62.38 2.44 1.4886 -4 1 2 2 63.12 2.16 1.4729 -3 -2 4 2 63.46 1.68 1.4659 -2 5 2 2 63.67 1.01 1.4616 -2 -3 5 2 63.67 1.98 1.4615 2 3 1 2 63.68 1.22 1.4613 -3 5 0 2 64.42 2.07 1.4463 -3 2 5 2 64.43 1.50 1.4461 -4 3 2 2 64.55 1.32 1.4438 -3 5 1 2 64.57 1.47 1.4433 -1 -4 5 2 64.73 1.08 1.4402 0 5 1 2 64.99 1.49 1.4351 3 -3 3 2 65.10 1.20 1.4329 1 2 4 2 65.86 1.45 1.4180 0 0 6 2 65.93 1.64 1.4167 0 2 5 2 65.96 2.06 1.4162 0 4 3 2 66.25 1.34 1.4107 -1 -5 3 2 66.60 1.07 1.4041 -4 0 1 2 66.61 1.56 1.4039 -2 3 5 2 66.63 1.92 1.4036 3 -1 3 2 67.15 1.48 1.3939 -4 1 4 2 67.81 1.66 1.3821 -3 -2 5 2 68.16 1.38 1.3757 3 -5 2 2 68.42 1.07 1.3712 1 1 5 2 68.43 1.17 1.3710 -1 3 5 2 68.94 1.47 1.3620 -4 4 0 2 68.97 1.42 1.3615 -3 -3 3 2 69.22 1.03 1.3573 2 2 3 2 69.35 1.29 1.3551 2 -2 5 2 69.73 2.02 1.3486 2 -6 2 2 70.63 1.26 1.3336 3 2 1 2 70.72 1.03 1.3322 4 -1 1 2 71.17 1.25 1.3249 3 0 3 2 71.29 1.13 1.3229 -2 6 1 2 71.73 1.83 1.3158 -1 5 3 2 72.46 1.67 1.3044 -4 1 5 2 73.19 1.20 1.2932 2 -6 3 2 73.32 1.81 1.2912 -2 -1 7 2 76.25 1.13 1.2487 -4 5 2 2 76.60 1.06 1.2438 -4 -1 5 2 77.94 1.02 1.2258 -4 3 5 2 79.58 1.13 1.2046 -2 -3 7 2 81.25 1.32 1.1840 -1 -6 4 2 81.29 1.12 1.1835 -1 -4 7 2 86.90 1.05 1.1209 3 -7 2 2 87.61 1.04 1.1137 0 -5 7 2 89.57 1.17 1.0944 1 6 1 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.