Kirchhoffite Agakhanov A A, Pautov L A, Karpenko V Y, Sokolova E, Hawthorne F C The Canadian Mineralogist 50 (2012) 523-529 Kirchhoffite, CsBSi2O6, a new mineral species from the Darai-Pioz Alkaline Massif,Tajikistan: Description and crystal structure Locality: Upper Dara-Pioz alkaline massif, Garm district, Tajikistan _database_code_amcsd 0019219 CELL PARAMETERS: 13.0190 13.0190 12.8990 90.000 90.000 90.000 SPACE GROUP: I4_1/acd X-RAY WAVELENGTH: 1.541838 Cell Volume: 2186.308 Density (g/cm3): 3.595 MAX. ABS. INTENSITY / VOLUME**2: 41.99621757 RIR: 3.804 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 16.71 22.21 5.3067 2 1 1 16 16.78 5.81 5.2822 1 1 2 8 19.37 1.89 4.5816 2 0 2 8 25.62 36.85 3.4772 3 2 1 16 25.67 16.91 3.4702 3 1 2 16 25.76 37.86 3.4588 2 1 3 16 27.40 100.00 3.2548 4 0 0 4 27.66 46.34 3.2248 0 0 4 2 30.71 1.38 2.9111 4 2 0 8 30.77 1.08 2.9057 4 0 2 8 32.31 15.53 2.7710 3 3 2 8 32.38 52.23 2.7651 3 2 3 16 35.16 1.23 2.5523 4 3 1 16 35.27 1.39 2.5450 4 1 3 16 35.36 1.16 2.5387 3 1 4 16 37.86 6.06 2.3762 5 2 1 16 37.90 9.79 2.3740 5 1 2 16 38.16 9.07 2.3586 2 1 5 16 39.14 17.07 2.3015 4 4 0 4 39.33 30.84 2.2908 4 0 4 8 42.83 2.18 2.1114 6 1 1 16 42.86 10.34 2.1099 5 3 2 16 42.92 14.49 2.1073 5 2 3 16 43.09 8.27 2.0991 3 2 5 16 44.03 1.31 2.0566 6 0 2 8 47.37 5.49 1.9192 6 3 1 16 47.45 5.27 1.9160 6 1 3 16 47.72 2.84 1.9057 3 1 6 16 48.60 7.28 1.8733 4 4 4 8 50.56 1.63 1.8054 6 4 0 8 51.60 5.76 1.7714 7 2 1 16 51.63 2.35 1.7704 5 5 2 8 51.63 2.51 1.7704 7 1 2 16 51.67 8.93 1.7689 6 3 3 16 51.83 3.99 1.7640 5 2 5 16 51.93 2.61 1.7607 3 3 6 8 52.06 7.05 1.7568 2 1 7 16 55.59 1.06 1.6532 6 5 1 16 55.62 6.92 1.6524 7 3 2 16 55.67 8.67 1.6512 7 2 3 16 55.81 1.50 1.6472 6 1 5 16 55.91 2.37 1.6445 5 1 6 16 56.03 11.76 1.6413 3 2 7 16 56.55 7.78 1.6274 8 0 0 4 57.13 2.11 1.6124 0 0 8 2 59.47 2.69 1.5542 6 5 3 16 59.61 2.03 1.5509 6 3 5 16 59.71 2.66 1.5486 5 3 6 16 63.10 2.38 1.4734 7 5 2 16 63.27 2.91 1.4697 7 2 5 16 63.48 4.83 1.4655 5 2 7 16 63.96 6.23 1.4556 8 4 0 8 64.10 5.81 1.4529 8 0 4 8 64.50 3.29 1.4448 4 0 8 8 66.62 2.67 1.4037 7 6 1 16 66.65 1.38 1.4033 9 1 2 16 67.02 2.63 1.3965 6 1 7 16 67.28 1.03 1.3917 2 1 9 16 70.15 3.42 1.3416 7 6 3 16 70.36 1.98 1.3380 7 3 6 16 70.47 3.96 1.3363 6 3 7 16 71.05 5.29 1.3267 8 4 4 16 71.43 1.49 1.3205 4 4 8 8 73.47 2.96 1.2890 10 1 1 16 73.49 1.83 1.2886 7 7 2 8 73.84 4.28 1.2833 7 2 7 16 74.24 1.45 1.2774 1 1 10 8 76.79 2.32 1.2412 10 3 1 16 76.82 1.26 1.2409 9 5 2 16 76.86 2.03 1.2404 10 1 3 16 76.98 1.48 1.2387 7 6 5 16 77.06 1.05 1.2375 7 5 6 16 77.16 1.65 1.2362 6 5 7 16 77.41 1.28 1.2329 5 2 9 16 77.56 2.23 1.2309 3 1 10 16 80.14 2.00 1.1976 10 3 3 16 83.32 1.88 1.1597 10 5 1 16 83.51 1.99 1.1577 10 1 5 16 84.07 2.30 1.1513 5 1 10 16 84.61 1.60 1.1454 8 0 8 8 86.61 1.07 1.1240 10 5 3 16 86.73 1.30 1.1227 10 3 5 16 86.91 2.06 1.1208 7 6 7 16 87.30 1.87 1.1169 5 3 10 16 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.