Sturmanite Pushcharovsky D Y, Lebedeva Y S, Zubkova N V, Pasero M, Bellezza M, Merlino S, Chukanov N V The Canadian Mineralogist 42 (2004) 723-729 The crystal structure of sturmanite Locality: Black Rock mine, Kuruman District, Kalahari manganese field, North Cape province, South Af _database_code_amcsd 0005934 CELL PARAMETERS: 11.1880 11.1880 21.9100 90.000 90.000 120.000 SPACE GROUP: P31c X-RAY WAVELENGTH: 1.541838 Cell Volume: 2375.078 Density (g/cm3): 1.616 MAX. ABS. INTENSITY / VOLUME**2: 6.783523964 RIR: 1.367 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 9.13 100.00 9.6891 1 0 0 6 9.98 8.65 8.8613 1 0 1 6 15.19 2.87 5.8321 1 0 3 6 15.84 37.07 5.5940 1 1 0 3 17.80 8.99 4.9821 2 -1 2 3 17.80 6.51 4.9821 1 1 2 3 18.31 5.20 4.8445 2 0 0 6 18.61 49.56 4.7683 1 0 4 6 22.02 3.31 4.0371 2 0 3 6 22.72 18.04 3.9137 1 1 4 3 22.72 21.09 3.9137 2 -1 4 3 24.30 4.69 3.6621 2 1 0 6 24.53 7.51 3.6289 2 0 4 6 24.65 1.42 3.6120 3 -1 1 6 25.65 9.55 3.4732 3 -1 2 6 25.65 13.97 3.4732 2 1 2 6 27.24 1.00 3.2736 3 -1 3 6 27.24 1.37 3.2736 2 1 3 6 27.62 6.05 3.2297 3 0 0 6 29.21 1.94 3.0578 1 1 6 3 29.21 2.20 3.0578 2 -1 6 3 32.00 4.36 2.7970 2 2 0 3 32.17 24.49 2.7821 3 0 4 6 32.70 5.21 2.7387 0 0 8 1 33.34 2.99 2.6873 3 1 0 6 33.60 1.50 2.6673 4 -1 1 6 34.36 5.23 2.6099 3 1 2 6 34.36 6.18 2.6099 4 -1 2 6 34.69 18.03 2.5858 2 1 6 6 34.69 17.76 2.5858 3 -1 6 6 35.60 1.22 2.5220 3 1 3 6 36.06 1.33 2.4910 4 -2 4 3 36.06 1.17 2.4910 2 2 4 3 37.27 3.02 2.4126 3 1 4 6 37.27 2.11 2.4126 4 -1 4 6 37.73 4.08 2.3841 2 0 8 6 40.59 5.42 2.2228 3 2 0 6 40.63 15.32 2.2205 4 -2 6 3 40.63 14.66 2.2205 2 2 6 3 40.73 2.63 2.2153 4 0 4 6 41.45 2.78 2.1784 5 -2 2 6 41.45 1.99 2.1784 3 2 2 6 41.73 9.48 2.1644 3 1 6 6 41.73 7.47 2.1644 4 -1 6 6 42.51 1.21 2.1265 3 2 3 6 42.77 1.65 2.1143 4 1 0 6 43.96 1.63 2.0597 5 -2 4 6 43.96 1.47 2.0597 3 2 4 6 46.01 1.63 1.9725 5 -1 4 6 46.01 2.10 1.9725 4 1 4 6 46.88 7.51 1.9378 5 0 0 6 48.41 4.55 1.8802 2 1 10 6 48.41 3.89 1.8802 3 -1 10 6 49.59 1.97 1.8382 6 -3 2 3 49.59 2.21 1.8382 3 3 2 3 49.92 2.81 1.8269 5 0 4 6 49.95 2.72 1.8258 0 0 12 1 50.29 1.46 1.8144 4 0 8 6 50.54 1.11 1.8060 6 -2 2 6 50.54 1.31 1.8060 4 2 2 6 50.89 2.30 1.7943 1 0 12 6 51.79 1.68 1.7652 6 -3 4 3 51.79 1.39 1.7652 3 3 4 3 52.59 1.23 1.7402 5 1 0 6 52.74 1.46 1.7357 1 1 12 3 52.74 1.21 1.7357 2 -1 12 3 54.00 2.43 1.6981 3 1 10 6 54.00 3.54 1.6981 4 -1 10 6 54.86 3.99 1.6736 4 1 8 6 54.86 4.33 1.6736 5 -1 8 6 55.40 1.25 1.6585 6 -1 4 6 55.40 1.23 1.6585 5 1 4 6 57.03 4.81 1.6148 6 0 0 6 57.89 1.51 1.5929 4 3 0 6 58.33 3.73 1.5819 5 0 8 6 58.56 1.00 1.5763 7 -3 2 6 60.56 1.69 1.5289 4 -2 12 3 60.56 1.31 1.5289 2 2 12 3 68.52 1.03 1.3694 0 0 16 1 69.30 1.06 1.3559 1 0 16 6 70.92 1.47 1.3289 5 0 12 6 72.36 1.07 1.3060 4 4 6 3 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.