Betpakdalite-CaCa Schmetzer K, Nuber B, Tremmel G Neues Jahrbuch fur Mineralogie, Monatshefte 1984 (1984) 393-403 Betpakdalite from Tsumeb, Namibia: mineralogy, crystal chemistry and structure Locality: Tsumeb, Namibia _database_code_amcsd 0014792 CELL PARAMETERS: 19.4400 11.0960 15.2500 90.000 131.280 90.000 SPACE GROUP: C2/m X-RAY WAVELENGTH: 1.541838 Cell Volume: 2472.056 Density (g/cm3): 2.827 MAX. ABS. INTENSITY / VOLUME**2: 46.97792444 RIR: 5.410 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 7.71 27.53 11.4603 0 0 1 2 9.10 22.30 9.7157 -2 0 1 2 9.91 100.00 8.9298 -1 1 1 4 11.76 8.50 7.5221 -2 0 2 2 12.12 27.90 7.3045 2 0 0 2 14.69 4.41 6.0301 -1 1 2 4 14.90 2.23 5.9441 1 1 1 4 15.97 8.96 5.5480 0 2 0 2 16.21 4.68 5.4668 -3 1 2 4 16.41 2.30 5.4025 -3 1 1 4 17.76 1.22 4.9936 0 2 1 4 18.26 2.85 4.8578 -4 0 2 2 18.42 3.12 4.8178 -2 2 1 4 19.64 3.39 4.5212 -4 0 3 2 20.10 7.40 4.4181 2 2 0 4 23.29 2.90 3.8201 0 0 3 2 23.66 6.00 3.7611 -4 0 4 2 23.96 1.26 3.7147 -2 2 3 4 24.31 12.58 3.6611 2 2 1 4 24.47 2.03 3.6377 -5 1 3 4 25.44 1.51 3.5018 3 1 1 4 26.66 3.86 3.3434 -5 1 4 4 27.24 5.14 3.2742 1 3 1 4 28.11 3.81 3.1744 -3 3 1 4 28.41 5.68 3.1411 -6 0 4 2 28.66 3.17 3.1143 -1 1 4 4 28.87 1.30 3.0925 -6 0 2 2 28.93 1.98 3.0864 1 1 3 4 29.28 13.18 3.0506 4 2 0 4 29.63 5.67 3.0150 -2 2 4 4 30.02 9.54 2.9766 -3 3 3 4 30.07 1.05 2.9721 2 2 2 4 30.19 2.55 2.9604 4 0 1 2 30.35 2.21 2.9454 3 3 0 4 30.79 5.77 2.9040 -5 1 5 4 31.30 1.06 2.8580 -3 1 5 4 31.33 2.00 2.8552 -1 3 3 4 31.50 7.05 2.8398 1 3 2 4 31.67 1.70 2.8255 5 1 0 4 32.00 5.35 2.7969 -6 2 3 4 32.15 4.42 2.7842 -6 0 1 2 32.27 2.68 2.7740 0 4 0 2 32.31 4.15 2.7705 -2 0 5 2 32.85 3.17 2.7262 2 0 3 2 33.55 2.20 2.6709 -4 2 5 4 33.60 1.42 2.6674 -2 4 1 4 33.62 2.95 2.6656 -7 1 3 4 33.84 7.05 2.6489 -3 3 4 4 34.33 1.07 2.6124 3 3 1 4 35.27 1.85 2.5446 -5 3 4 4 35.35 2.72 2.5393 -6 2 5 4 35.67 2.77 2.5171 -7 1 2 4 36.09 1.13 2.4884 -6 2 1 4 36.63 1.22 2.4533 1 1 4 4 37.06 1.66 2.4258 -2 4 3 4 38.99 1.78 2.3100 -3 3 5 4 40.46 1.13 2.2296 6 2 0 4 41.11 1.63 2.1954 -2 4 4 4 42.76 1.59 2.1149 6 0 1 2 43.19 2.28 2.0947 -5 3 6 4 43.84 1.27 2.0649 5 1 2 4 44.15 2.32 2.0513 -4 4 5 4 44.16 1.27 2.0510 7 1 0 4 44.81 1.32 2.0226 -8 0 1 2 45.11 1.70 2.0100 -3 3 6 4 45.59 2.01 1.9899 -6 4 5 4 48.91 1.93 1.8623 -9 3 5 4 49.05 1.57 1.8573 -4 4 6 4 49.27 2.19 1.8493 0 6 0 2 49.94 1.51 1.8261 8 0 0 2 50.63 1.39 1.8030 -10 2 4 4 51.30 1.74 1.7810 -8 2 8 4 52.72 1.46 1.7364 3 3 4 4 52.78 1.12 1.7346 8 2 0 4 54.88 1.44 1.6729 -4 4 7 4 55.09 1.13 1.6671 -6 0 9 2 55.18 1.03 1.6645 0 6 3 4 55.77 1.07 1.6484 4 4 3 4 58.12 1.34 1.5872 -11 3 5 4 58.55 1.11 1.5764 -1 7 1 4 58.79 1.07 1.5705 -12 0 8 2 59.04 1.27 1.5647 -10 2 9 4 60.06 1.10 1.5405 -6 6 1 4 60.25 1.10 1.5360 3 3 5 4 60.49 1.40 1.5304 2 6 3 4 60.72 1.20 1.5253 8 4 0 4 61.51 1.68 1.5075 -4 4 8 4 62.08 1.03 1.4950 -7 1 10 4 66.91 1.74 1.3985 -12 4 6 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.