Tengchongite Li T, Fan G, Ge X, Wang T, Yu A, Deng L The Canadian Mineralogist 60 (2022) 533-542 Crystal structure of tengchongite with a revised chemical formula Ca(UO2)6(MoO4OH)2O2(OH)4*9H2O Locality: Type sample from Tengchong County, Yunnan Province, China _database_code_amcsd 0021076 CELL PARAMETERS: 13.0866 17.6794 15.6800 90.000 90.000 90.000 SPACE GROUP: C222_1 X-RAY WAVELENGTH: 1.541838 Cell Volume: 3627.776 Density (g/cm3): 4.170 MAX. ABS. INTENSITY / VOLUME**2: 170.6777653 RIR: 13.327 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 8.41 11.91 10.5185 1 1 0 4 10.01 100.00 8.8397 0 2 0 2 10.13 4.41 8.7351 1 1 1 4 11.49 13.56 7.7003 0 2 1 4 13.53 1.97 6.5433 2 0 0 2 14.09 2.69 6.2860 1 1 2 4 16.50 12.17 5.3734 1 3 0 4 16.86 6.64 5.2592 2 2 0 4 17.45 1.30 5.0832 1 3 1 4 18.96 3.02 4.6807 1 1 3 4 20.03 1.54 4.4323 1 3 2 4 20.09 3.48 4.4198 0 4 0 2 20.33 1.26 4.3676 2 2 2 4 20.88 7.03 4.2541 0 4 1 4 20.98 2.86 4.2352 3 1 0 4 21.74 5.46 4.0887 3 1 1 4 23.75 2.21 3.7466 1 3 3 4 24.00 4.93 3.7073 2 2 3 4 24.23 2.52 3.6732 1 1 4 4 24.30 7.44 3.6626 2 4 0 4 24.85 2.54 3.5835 0 2 4 4 24.97 1.12 3.5666 2 4 1 4 25.40 8.74 3.5062 3 3 0 4 26.04 3.24 3.4217 3 3 1 4 26.11 2.95 3.4135 1 5 0 4 26.41 1.44 3.3749 0 4 3 4 26.51 26.13 3.3627 2 0 4 4 26.73 3.43 3.3354 1 5 1 4 26.87 1.12 3.3183 2 4 2 4 27.26 9.54 3.2717 4 0 0 2 28.18 9.38 3.1669 1 3 4 4 28.40 27.00 3.1430 2 2 4 4 29.10 12.44 3.0682 4 2 0 4 29.67 1.86 3.0111 4 2 1 4 29.73 1.65 3.0053 1 1 5 4 29.79 4.50 2.9994 2 4 3 4 30.48 3.50 2.9327 0 4 4 4 30.88 1.03 2.8959 0 6 1 4 31.09 1.40 2.8768 3 1 4 4 31.30 1.94 2.8580 1 5 3 4 32.60 2.28 2.7468 3 5 0 4 33.11 1.50 2.7056 3 5 1 4 33.26 1.25 2.6935 2 2 5 4 33.35 2.37 2.6867 2 6 0 4 33.48 2.79 2.6762 2 4 4 4 33.85 1.97 2.6481 2 6 1 4 34.10 1.24 2.6296 4 4 0 4 34.31 1.42 2.6133 3 3 4 4 34.59 1.94 2.5934 4 4 1 4 34.85 2.17 2.5743 1 5 4 4 34.96 1.22 2.5668 0 6 3 4 35.31 1.23 2.5416 2 6 2 4 36.55 1.03 2.4585 5 1 2 4 37.21 1.58 2.4161 4 2 4 4 37.64 1.79 2.3895 2 6 3 4 37.77 1.56 2.3821 2 4 5 4 38.21 1.96 2.3554 0 6 4 4 38.82 1.83 2.3200 5 1 3 4 40.25 1.27 2.2405 1 7 3 4 40.56 2.36 2.2240 3 1 6 4 41.34 2.76 2.1838 4 4 4 4 41.52 1.20 2.1751 5 3 3 4 41.59 1.11 2.1714 0 2 7 4 41.72 1.28 2.1648 3 7 1 4 41.81 1.32 2.1604 5 1 4 4 43.61 2.41 2.0753 2 8 1 4 44.36 3.70 2.0419 5 3 4 4 44.51 1.69 2.0355 0 8 3 4 44.80 1.33 2.0228 2 8 2 4 44.88 1.75 2.0194 4 6 3 4 44.95 1.23 2.0165 3 7 3 4 45.39 1.31 1.9980 0 4 7 4 45.43 1.28 1.9966 5 1 5 4 46.32 3.02 1.9600 0 0 8 2 46.54 1.21 1.9515 5 5 3 4 47.52 2.63 1.9135 0 2 8 4 47.57 2.70 1.9115 4 6 4 4 47.58 1.03 1.9109 2 4 7 4 47.72 2.96 1.9059 6 0 4 4 48.88 3.95 1.8631 6 2 4 4 49.15 2.08 1.8536 5 5 4 4 49.50 1.44 1.8413 1 3 8 4 51.62 1.19 1.7706 7 3 1 4 52.98 1.37 1.7283 4 8 3 4 52.99 1.31 1.7281 2 4 8 4 53.24 1.53 1.7205 2 6 7 4 53.57 1.34 1.7108 3 3 8 4 54.13 1.12 1.6944 3 9 3 4 54.58 1.92 1.6814 4 0 8 4 55.07 1.03 1.6677 2 10 2 4 55.64 2.14 1.6518 4 2 8 4 60.53 1.38 1.5296 2 8 7 4 64.29 1.11 1.4490 3 11 3 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.