Grigorievite Pekov I V, Zubkova N V, Yapaskurt V O, Kartashov P M, Polekhovsky Y S, Murashko M N, Pushcharovsky D Y European Journal of Mineralogy 26 (2014) 667-677 Koksharovite, CaMg2Fe3+4(VO4)6, and grigorievite, Cu3Fe3+2Al2(VO4)6, two new howardevansite-group minerals from volcanic exhalations Locality: Great Tolbachik Fissure Eruption, Kamchatka, Russia _database_code_amcsd 0020493 CELL PARAMETERS: 8.0217 9.6858 6.5475 103.645 102.369 106.281 SPACE GROUP: P-1 X-RAY WAVELENGTH: 1.541838 Cell Volume: 452.598 Density (g/cm3): 3.656 MAX. ABS. INTENSITY / VOLUME**2: 12.24096494 RIR: 1.090 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 12.05 19.42 7.3440 1 0 0 2 12.71 24.73 6.9624 -1 1 0 2 14.60 12.14 6.0686 0 0 1 2 14.88 2.43 5.9538 0 -1 1 2 15.91 1.55 5.5721 -1 0 1 2 18.62 18.87 4.7659 -1 -1 1 2 19.05 13.48 4.6581 -1 1 1 2 19.53 2.14 4.5448 -1 2 0 2 19.75 1.86 4.4957 1 -1 1 2 20.13 10.06 4.4110 0 2 0 2 20.83 2.49 4.2654 0 -2 1 2 22.75 8.43 3.9082 1 -2 1 2 22.76 2.11 3.9076 -2 1 0 2 24.24 14.61 3.6720 2 0 0 2 24.27 13.94 3.6676 -2 0 1 2 25.43 2.11 3.5020 -1 -2 1 2 25.59 2.77 3.4812 -2 2 0 2 26.08 21.97 3.4166 -1 2 1 2 26.96 1.93 3.3067 1 2 0 2 27.43 7.47 3.2516 1 1 1 2 27.91 45.01 3.1963 0 -1 2 2 28.25 26.37 3.1594 -1 0 2 2 28.49 90.59 3.1327 -1 3 0 2 28.53 17.46 3.1291 0 2 1 2 29.11 29.05 3.0674 -2 2 1 2 29.33 6.87 3.0453 2 -1 1 2 29.43 100.00 3.0354 2 1 0 2 29.44 1.11 3.0343 0 0 2 2 30.02 9.42 2.9769 0 -2 2 2 30.05 10.98 2.9740 2 -2 1 2 31.74 10.73 2.8188 -1 1 2 2 31.75 21.33 2.8180 -1 -2 2 2 32.13 13.08 2.7861 -2 0 2 2 32.61 14.31 2.7458 1 -1 2 2 33.14 9.19 2.7033 1 -2 2 2 33.48 2.33 2.6763 -2 -1 2 2 33.99 8.00 2.6376 -2 1 2 2 34.02 10.63 2.6353 2 -3 1 2 34.11 3.36 2.6284 -1 -3 1 2 34.15 17.67 2.6257 0 1 2 2 34.44 1.94 2.6044 -3 1 0 2 34.86 1.14 2.5739 -1 3 1 2 35.16 1.69 2.5524 0 -3 2 2 35.18 15.00 2.5507 -3 2 0 2 36.71 3.49 2.4480 3 0 0 2 36.91 2.57 2.4354 2 2 0 2 37.75 5.02 2.3830 -2 -2 2 2 37.89 4.97 2.3746 -1 -3 2 2 37.98 1.84 2.3691 0 3 1 2 38.30 1.48 2.3500 -1 4 0 2 38.79 3.30 2.3214 0 -4 1 2 38.80 3.35 2.3208 -3 3 0 2 39.66 1.92 2.2724 -2 4 0 2 40.10 1.04 2.2489 3 -2 1 2 40.20 1.03 2.2433 -3 1 2 2 40.47 2.28 2.2287 1 1 2 2 40.80 2.33 2.2115 2 -1 2 2 41.08 2.67 2.1970 0 2 2 2 41.58 10.97 2.1719 3 1 0 2 42.10 3.05 2.1464 2 -3 2 2 42.38 2.17 2.1327 0 -4 2 2 42.63 4.95 2.1208 1 -4 2 2 42.86 5.05 2.1099 -1 -2 3 2 42.90 4.24 2.1081 0 -2 3 2 43.25 1.11 2.0917 -3 2 2 2 43.76 1.24 2.0687 -1 -4 1 2 44.05 1.04 2.0558 -2 -1 3 2 44.06 1.85 2.0553 2 0 2 2 44.48 2.82 2.0370 -2 4 1 2 44.62 3.32 2.0308 1 3 1 2 44.70 8.75 2.0273 -3 4 0 2 44.95 7.52 2.0165 -3 -2 1 2 44.99 5.09 2.0149 2 2 1 2 45.41 2.76 1.9974 -2 3 2 2 45.48 2.41 1.9942 -4 1 1 2 45.72 2.00 1.9846 0 -3 3 2 45.76 1.12 1.9828 2 3 0 2 46.42 1.45 1.9562 -2 -2 3 2 46.47 1.15 1.9541 2 -4 2 2 46.65 2.64 1.9471 3 -4 1 2 46.69 4.26 1.9453 -1 -3 3 2 46.70 1.78 1.9450 -2 1 3 2 46.97 8.79 1.9347 1 4 0 2 47.01 3.24 1.9330 1 -5 1 2 47.89 1.27 1.8994 -3 4 1 2 48.21 4.69 1.8877 1 -3 3 2 48.42 3.25 1.8800 2 -5 1 2 49.22 3.38 1.8514 -4 3 1 2 49.66 3.14 1.8360 4 0 0 2 49.72 1.85 1.8338 -4 0 2 2 50.47 1.68 1.8083 -3 1 3 2 51.01 2.82 1.7905 0 -5 2 2 51.13 2.13 1.7863 3 -1 2 2 51.18 2.22 1.7847 -4 -1 1 2 51.82 1.64 1.7644 0 5 0 2 52.55 5.02 1.7416 -4 -1 2 2 53.01 1.29 1.7275 -3 -2 3 2 53.03 1.27 1.7269 3 -5 1 2 53.07 4.31 1.7258 4 -1 1 2 53.11 2.54 1.7244 -3 -3 2 2 53.30 1.09 1.7187 3 -4 2 2 53.75 2.01 1.7053 2 3 1 2 54.01 5.92 1.6978 -2 5 1 2 54.06 6.33 1.6965 -3 2 3 2 54.31 1.45 1.6892 -4 4 1 2 54.72 3.98 1.6774 2 -1 3 2 54.80 5.60 1.6751 3 0 2 2 54.86 2.43 1.6735 -1 4 2 2 54.99 2.07 1.6700 -1 5 1 2 55.59 1.25 1.6533 2 4 0 2 55.64 1.01 1.6518 0 2 3 2 56.12 15.62 1.6388 -3 5 1 2 56.26 2.37 1.6351 3 2 1 2 56.38 22.24 1.6319 -1 -1 4 2 56.61 1.33 1.6258 2 2 2 2 56.68 1.11 1.6239 -4 0 3 2 57.61 1.91 1.6000 -5 2 1 2 57.85 2.16 1.5940 1 5 0 2 57.87 2.01 1.5933 1 -5 3 2 58.06 2.06 1.5886 -3 -3 3 2 58.42 1.06 1.5797 -2 0 4 2 58.95 1.04 1.5669 -5 2 0 2 59.31 2.82 1.5580 -1 3 3 2 59.57 1.18 1.5518 -4 2 3 2 59.77 3.62 1.5472 -5 3 0 2 60.15 2.91 1.5383 -5 1 0 2 60.83 1.13 1.5227 4 -2 2 2 60.94 7.14 1.5204 3 -6 1 2 61.05 2.73 1.5177 4 2 0 2 61.12 5.20 1.5163 -3 -4 2 2 61.30 2.23 1.5123 -5 0 2 2 61.84 4.52 1.5004 -2 -5 1 2 61.93 1.14 1.4983 4 1 1 2 62.39 7.00 1.4884 0 -4 4 2 63.00 1.28 1.4754 4 -1 2 2 63.11 4.00 1.4732 -5 4 1 2 63.13 4.85 1.4726 -3 -2 4 2 63.32 1.26 1.4688 5 0 0 2 63.63 1.94 1.4624 3 -4 3 2 63.75 2.35 1.4599 2 1 3 2 63.92 1.46 1.4565 -4 -3 2 2 63.95 1.83 1.4558 -4 3 3 2 64.34 1.39 1.4480 5 -3 1 2 64.42 1.69 1.4462 -5 -1 1 2 64.44 3.16 1.4459 5 -2 1 2 64.80 1.91 1.4388 -3 -4 3 2 65.14 1.57 1.4320 2 3 2 2 65.25 3.57 1.4299 1 -6 3 2 65.56 1.10 1.4240 1 5 1 2 65.67 1.57 1.4218 0 -6 3 2 65.96 1.43 1.4162 -2 4 3 2 66.14 4.10 1.4129 -1 6 1 2 66.16 1.38 1.4124 5 -4 1 2 66.32 3.81 1.4094 -2 2 4 2 66.58 7.81 1.4045 1 0 4 2 66.65 1.51 1.4033 -3 4 3 2 67.39 1.18 1.3896 -4 -3 3 2 67.60 8.83 1.3859 2 -6 3 2 68.00 2.02 1.3787 2 -3 4 2 68.35 2.92 1.3724 1 -7 1 2 68.45 2.31 1.3706 -4 1 4 2 68.48 1.08 1.3702 3 0 3 2 69.12 2.87 1.3590 4 3 0 2 70.43 2.96 1.3368 -6 2 1 2 70.50 4.12 1.3358 0 6 1 2 70.90 1.07 1.3293 -5 3 3 2 72.89 1.71 1.2977 -5 -2 3 2 74.54 1.35 1.2730 -2 -6 3 2 75.20 1.67 1.2636 0 -7 3 2 75.60 3.14 1.2579 4 -5 3 2 76.39 1.28 1.2468 -4 3 4 2 77.05 2.84 1.2377 -6 1 3 2 77.70 1.66 1.2290 -4 5 3 2 78.93 2.50 1.2129 -1 -7 3 2 79.75 1.18 1.2025 0 3 4 2 79.88 1.46 1.2008 1 4 3 2 84.34 1.34 1.1484 5 -3 3 2 86.05 1.33 1.1299 -2 6 3 2 87.00 1.06 1.1200 5 1 2 2 88.76 1.04 1.1022 3 6 0 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.