Nchwaningite Nyfeler D, Armbruster T, Dixon R, Bermanec V American Mineralogist 80 (1995) 377-386 Nchwaningite, Mn2SiO3(OH)2.H2O, a new pyroxene-related chain silicate from the N'chwaning mine, Kalahari manganese field, South Africa Locality: N'chwaning mine, South Africa _database_code_amcsd 0001731 CELL PARAMETERS: 12.6720 7.2170 5.3410 90.000 90.000 90.000 SPACE GROUP: Pca2_1 X-RAY WAVELENGTH: 1.541838 Cell Volume: 488.455 Density (g/cm3): 3.174 MAX. ABS. INTENSITY / VOLUME**2: 15.57525597 RIR: 1.598 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 12.26 100.00 7.2170 0 1 0 2 13.98 4.63 6.3360 2 0 0 2 14.12 22.00 6.2713 1 1 0 4 21.76 7.89 4.0837 2 0 1 2 21.86 18.47 4.0662 1 1 1 4 24.42 10.06 3.6455 3 1 0 4 24.67 45.12 3.6085 0 2 0 2 25.67 8.84 3.4705 1 2 0 4 28.17 3.01 3.1680 4 0 0 2 28.47 3.60 3.1356 2 2 0 4 29.67 78.62 3.0110 3 1 1 4 30.72 13.99 2.9101 1 2 1 4 32.87 10.65 2.7247 4 0 1 2 33.13 3.99 2.7041 2 2 1 4 33.56 3.18 2.6705 0 0 2 1 35.21 36.00 2.5491 4 1 1 4 35.85 10.52 2.5045 0 1 2 2 36.57 30.55 2.4570 1 1 2 4 36.83 43.86 2.4405 3 2 1 4 37.38 1.75 2.4057 0 3 0 2 37.62 1.10 2.3912 5 1 0 4 37.79 2.63 2.3807 4 2 0 4 38.07 1.78 2.3635 1 3 0 4 38.66 2.34 2.3292 2 1 2 4 41.37 8.84 2.1825 5 1 1 4 41.53 12.39 2.1745 4 2 1 4 41.79 2.54 2.1613 1 3 1 4 41.94 5.80 2.1543 3 1 2 4 42.09 7.48 2.1466 0 2 2 2 42.72 14.81 2.1164 1 2 2 4 42.82 1.12 2.1120 6 0 0 2 43.64 2.94 2.0740 5 2 0 4 44.37 4.37 2.0418 4 0 2 2 46.22 2.44 1.9640 6 0 1 2 46.66 2.42 1.9466 3 3 1 4 47.00 3.42 1.9333 5 2 1 4 50.62 32.27 1.8034 4 3 1 4 51.10 15.59 1.7874 0 3 2 2 51.14 1.29 1.7862 1 4 0 4 51.28 1.06 1.7814 5 1 2 4 51.42 1.04 1.7771 4 2 2 4 52.09 8.32 1.7559 7 1 0 4 52.75 1.65 1.7353 2 4 0 4 53.25 3.56 1.7202 2 3 2 4 53.46 2.17 1.7140 2 0 3 2 53.50 3.58 1.7127 1 1 3 4 54.14 1.57 1.6940 1 4 1 4 56.15 1.16 1.6380 5 2 2 4 56.91 1.33 1.6181 7 2 0 4 57.62 5.98 1.5998 3 1 3 4 58.12 2.16 1.5871 6 3 0 4 58.23 11.13 1.5845 3 4 1 4 58.24 1.29 1.5841 1 2 3 4 58.25 8.32 1.5840 8 0 0 2 59.57 17.24 1.5520 4 0 3 2 59.73 1.93 1.5482 2 2 3 4 59.77 1.50 1.5472 8 1 0 4 61.01 1.09 1.5186 8 0 1 2 61.07 4.31 1.5174 4 1 3 4 61.66 4.65 1.5043 4 4 1 4 62.08 2.65 1.4950 0 4 2 2 62.15 1.69 1.4935 3 2 3 4 62.50 1.03 1.4861 8 1 1 4 62.56 5.55 1.4847 1 4 2 4 63.27 2.07 1.4698 5 4 0 4 63.40 11.93 1.4672 7 1 2 4 64.22 1.51 1.4504 8 2 0 4 64.57 1.25 1.4434 0 5 0 2 65.03 1.84 1.4341 1 5 0 4 65.46 2.96 1.4258 4 2 3 4 65.91 1.64 1.4171 5 4 1 4 67.71 5.93 1.3839 7 2 2 4 70.53 1.81 1.3353 0 0 4 1 71.27 1.27 1.3233 3 5 1 4 71.91 1.22 1.3130 0 1 4 2 72.36 2.07 1.3060 1 1 4 4 72.47 2.06 1.3042 4 3 3 4 73.79 1.40 1.2842 8 3 1 4 74.37 4.34 1.2755 4 5 1 4 74.76 1.13 1.2698 0 5 2 2 76.43 1.18 1.2462 1 2 4 4 76.51 1.15 1.2450 2 5 2 4 79.72 1.89 1.2028 0 6 0 2 81.13 2.91 1.1855 8 3 2 4 82.65 2.20 1.1675 0 3 4 2 83.94 3.89 1.1527 7 4 2 4 86.17 1.22 1.1286 7 5 0 4 87.72 2.18 1.1126 11 1 1 4 88.95 1.30 1.1004 4 6 1 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.