Robertsite Andrade M B, Morrison S M, Di Domizio A J, Feinglos M N, Downs R T Acta Crystallographica E68 (2012) i74-i75 Robertsite, Ca2MnIII3O2(PO4)*3H2O Locality: Tip Top mine, Custer County, South Dakota, USA _database_code_amcsd 0019365 CELL PARAMETERS: 17.3400 19.4464 11.2787 90.000 96.634 90.000 SPACE GROUP: Aa X-RAY WAVELENGTH: 1.541838 Cell Volume: 3777.719 Density (g/cm3): 3.283 MAX. ABS. INTENSITY / VOLUME**2: 21.26281807 RIR: 2.109 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 10.27 100.00 8.6119 2 0 0 1 15.80 22.48 5.6107 0 3 1 2 15.82 12.72 5.6016 0 0 2 1 16.33 3.26 5.4280 -1 3 1 2 16.90 4.14 5.2461 1 3 1 2 20.63 10.95 4.3060 4 0 0 1 21.49 3.37 4.1341 -3 3 1 2 21.72 1.20 4.0908 -4 1 1 2 23.42 1.32 3.7977 4 1 1 2 25.33 3.16 3.5156 -4 3 1 2 26.26 1.30 3.3942 -4 2 2 2 27.11 1.06 3.2888 2 4 2 2 27.53 5.38 3.2396 -1 3 3 2 27.57 9.63 3.2358 0 3 3 2 28.01 4.36 3.1852 1 6 0 2 28.34 1.07 3.1494 -3 5 1 2 29.35 3.31 3.0428 3 5 1 2 29.64 1.43 3.0144 -5 3 1 2 29.86 1.94 2.9921 3 4 2 2 30.16 4.92 2.9628 -4 1 3 2 30.32 2.10 2.9480 -3 3 3 2 30.47 5.05 2.9339 2 3 3 2 31.16 18.33 2.8706 6 0 0 1 31.70 11.54 2.8224 3 6 0 2 31.95 4.06 2.8008 0 0 4 1 32.03 11.79 2.7946 -1 6 2 2 32.45 16.96 2.7589 -2 0 4 1 32.64 33.08 2.7438 1 6 2 2 32.92 7.83 2.7209 -4 3 3 2 33.00 1.67 2.7140 -2 6 2 2 33.11 6.19 2.7055 3 3 3 2 34.26 5.37 2.6177 -6 3 1 2 34.77 18.26 2.5801 -3 6 2 2 34.81 11.20 2.5773 2 0 4 1 36.05 1.56 2.4913 2 2 4 2 36.18 2.19 2.4826 -4 0 4 1 36.36 1.02 2.4708 4 3 3 2 36.45 1.96 2.4649 3 6 2 2 36.79 3.27 2.4427 6 0 2 1 39.12 1.67 2.3029 -7 3 1 2 39.84 1.52 2.2628 -6 3 3 2 40.45 1.72 2.2302 -1 7 3 2 40.53 1.87 2.2259 0 1 5 2 40.55 2.81 2.2245 -1 8 2 2 41.96 11.46 2.1530 8 0 0 1 42.52 1.93 2.1259 -1 6 4 2 42.70 1.95 2.1177 0 3 5 2 42.73 1.51 2.1161 5 6 2 2 42.83 2.79 2.1113 -1 9 1 2 43.63 1.53 2.0746 1 3 5 2 44.18 3.33 2.0501 -8 3 1 2 44.22 1.48 2.0480 6 3 3 2 46.93 1.49 1.9361 8 0 2 1 47.73 7.88 1.9053 -7 6 2 2 47.93 3.66 1.8981 6 0 4 1 51.01 1.57 1.7902 -4 0 6 1 52.17 1.89 1.7532 -1 4 6 2 52.32 2.57 1.7487 3 9 3 2 53.42 1.01 1.7150 8 3 3 2 53.85 1.21 1.7025 -10 0 2 1 54.63 1.11 1.6800 -7 6 4 2 55.78 1.76 1.6479 9 6 0 2 56.60 12.45 1.6260 -1 6 6 2 56.63 1.88 1.6253 -9 6 2 2 56.81 5.08 1.6205 0 12 0 2 56.82 1.29 1.6205 10 3 1 2 56.87 1.25 1.6190 8 0 4 1 57.62 1.40 1.5996 -3 6 6 2 57.77 1.06 1.5960 1 6 6 2 57.90 1.76 1.5926 2 12 0 2 58.10 1.10 1.5878 -10 3 3 2 59.69 3.02 1.5492 -10 0 4 1 60.08 5.31 1.5400 9 6 2 2 60.76 1.19 1.5243 -5 6 6 2 61.10 1.27 1.5167 4 12 0 2 62.46 1.14 1.4870 -1 8 6 2 64.97 1.03 1.4353 12 0 0 1 65.84 1.96 1.4186 -7 6 6 2 66.23 1.40 1.4112 6 12 0 2 66.23 1.78 1.4111 5 6 6 2 66.68 1.03 1.4027 0 12 4 2 66.70 1.56 1.4022 -11 6 2 2 66.97 1.59 1.3973 -2 12 4 2 72.65 1.13 1.3014 -9 6 6 2 72.71 1.09 1.3005 9 9 3 2 73.08 1.36 1.2948 8 12 0 2 73.15 1.21 1.2937 7 6 6 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.