Dobrovolskyite Shablinskii A P, Filatov S K, Krivivichev S V, Vergasova L P. Moskaleva S V, Avdontseva E Y, Knyazev A V, Bubnova R S Mineralogical Magazine 85 (2021) 233-241 Dobrovolskyite, Na4Ca(SO4)3, a new fumarolic sulfate from the Great Tolbachik fissure eruption, Kamchatka Peninsula, Russia Locality: Great Tolbachik fissure eruption, Kamchatka Peninsula, Russia _database_code_amcsd 0020962 CELL PARAMETERS: 15.7280 15.7280 22.0040 90.000 90.000 120.000 SPACE GROUP: R3 X-RAY WAVELENGTH: 1.541838 Cell Volume: 4713.888 Density (g/cm3): 2.664 MAX. ABS. INTENSITY / VOLUME**2: 8.226032738 RIR: 1.005 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 7.63 36.09 11.5815 1 0 1 3 11.25 5.29 7.8640 1 1 0 3 13.61 1.10 6.5059 0 2 1 3 15.30 16.61 5.7907 2 0 2 3 19.03 4.96 4.6629 1 2 2 3 19.03 7.84 4.6629 -1 3 2 3 19.55 13.93 4.5403 3 0 0 3 23.04 51.14 3.8605 0 3 3 3 23.04 48.86 3.8605 3 0 3 3 23.67 1.03 3.7589 3 -1 4 3 23.90 5.65 3.7233 -1 4 1 3 23.90 5.17 3.7233 1 3 1 3 24.08 2.10 3.6963 2 0 5 3 24.27 23.67 3.6673 0 0 6 1 24.92 4.89 3.5730 4 -1 2 3 24.92 2.84 3.5730 3 1 2 3 25.71 1.46 3.4654 4 -2 3 3 26.49 1.26 3.3652 4 0 1 3 27.42 5.91 3.2530 0 4 2 3 28.86 15.57 3.0938 5 -2 1 3 28.86 19.44 3.0938 3 2 1 3 29.16 14.49 3.0629 1 0 7 3 29.72 1.58 3.0059 -2 5 2 3 29.72 1.12 3.0059 2 3 2 3 30.88 2.52 2.8954 4 0 4 3 31.20 2.26 2.8665 4 -1 5 3 31.20 3.01 2.8665 3 1 5 3 31.34 10.47 2.8541 0 2 7 3 31.35 27.73 2.8529 0 3 6 3 31.35 25.28 2.8529 3 0 6 3 33.14 1.73 2.7035 0 5 1 3 33.27 1.92 2.6931 0 4 5 3 34.21 56.97 2.6213 3 3 0 3 35.10 1.95 2.5567 2 4 1 3 35.10 2.05 2.5567 -2 6 1 3 37.06 1.41 2.4260 1 2 8 3 37.06 1.28 2.4260 -1 3 8 3 37.21 1.39 2.4163 -1 4 7 3 37.21 1.94 2.4163 1 3 7 3 39.70 6.02 2.2701 6 0 0 3 40.49 2.33 2.2277 7 -3 1 3 40.49 1.79 2.2277 4 3 1 3 42.38 1.28 2.1326 6 -3 6 3 42.38 2.02 2.1326 3 3 6 3 43.98 1.17 2.0587 0 5 7 3 45.85 1.45 1.9791 0 1 11 3 47.07 3.31 1.9306 5 1 7 3 47.07 3.08 1.9306 6 -1 7 3 47.08 6.04 1.9302 0 6 6 3 47.08 6.24 1.9302 6 0 6 3 49.72 2.06 1.8337 0 0 12 1 50.01 1.11 1.8238 7 -3 7 3 50.01 1.09 1.8238 4 3 7 3 54.02 1.91 1.6975 0 8 1 3 54.64 2.38 1.6797 1 0 13 3 55.54 1.10 1.6545 3 5 7 3 61.25 2.57 1.5134 9 0 0 3 62.39 1.44 1.4883 3 2 13 3 62.39 1.21 1.4883 5 -2 13 3 72.06 1.45 1.3107 6 6 0 3 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.