Agardite-(Ce) Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern of R060228 Hess H Neues Jahrbuch fur Mineralogie, Monatshefte 1983 (1983) 385-392 Die kristallstruktur des chlorotils, SECu6(AsO4)3(OH)6*3H2O (SE = seltene erdmetalle) Locality: Clara mine, Black Forest, Baden-Wurttemberg, Germany CELL PARAMETERS: 13.6300 13.6300 5.9290 90.000 90.000 120.000 SPACE GROUP: P6_3/m ATOM X Y Z OCCUPANCY ISO(B) La 0.66667 0.33333 0.25000 0.707 0.708 Cu 0.41091 0.31377 0.50230 1.000 0.883 As 0.49393 0.14946 0.75000 1.000 0.596 O 0.57280 0.17920 0.51720 1.000 1.107 O 0.39140 0.39900 0.25000 1.000 1.089 O 0.41320 0.21370 0.75000 1.000 0.947 OH 0.36920 0.37650 0.75000 1.000 1.064 OH 0.43880 0.24320 0.25000 1.000 1.491 Wa 0.16440 0.15510 0.46140 0.500 1.733 X-RAY WAVELENGTHS: 1.540562 1.544390 BOUNDS ON TWO THETA: 5.0 90.0 LIMITS IMPOSED ON THE INDICES ARE: +/- 10 +/- 10 +/- 5 MAX. ABS. INTENSITY / VOLUME**2: 96.70565153 The INTENSITY cut off value is 1.00 2-THETA INTENSITY D-SPACING H K L 7.48 / 7.50 100.00 / 50.00 11.8039 1 0 0 16.72 / 16.76 1.94 / 0.97 5.2982 1 0 1 19.83 / 19.88 3.35 / 1.68 4.4731 1 1 1 19.88 / 19.93 14.01 / 7.00 4.4615 1 2 0 21.22 / 21.28 3.99 / 1.99 4.1828 2 0 1 22.58 / 22.64 2.01 / 1.00 3.9346 3 0 0 24.96 / 25.02 17.29 / 8.64 3.5649 1 2 1 24.96 / 25.02 2.54 / 1.27 3.5649 2 1 1 26.13 / 26.20 5.81 / 2.91 3.4075 2 2 0 27.22 / 27.29 1.22 / 0.61 3.2738 1 3 0 27.22 / 27.29 7.76 / 3.88 3.2738 3 1 0 30.23 / 30.30 9.48 / 4.74 2.9543 2 2 1 30.26 / 30.34 10.27 / 5.13 2.9510 4 0 0 31.08 / 31.16 1.49 / 0.75 2.8752 1 0 2 31.18 / 31.26 3.43 / 1.72 2.8659 3 1 1 32.92 / 33.01 2.56 / 1.28 2.7184 1 1 2 33.05 / 33.14 5.70 / 2.85 2.7080 2 3 0 33.05 / 33.14 3.42 / 1.71 2.7080 3 2 0 34.80 / 34.89 10.86 / 5.43 2.5758 4 1 0 36.36 / 36.45 15.93 / 7.97 2.4691 1 2 2 36.36 / 36.45 11.25 / 5.63 2.4691 2 1 2 36.45 / 36.54 3.61 / 1.81 2.4632 2 3 1 40.29 / 40.40 1.87 / 0.94 2.2366 2 2 2 42.61 / 42.72 2.68 / 1.34 2.1200 5 1 0 43.22 / 43.34 1.33 / 0.67 2.0914 4 0 2 43.30 / 43.41 1.35 / 0.68 2.0878 2 4 1 45.32 / 45.44 1.56 / 0.78 1.9994 2 3 2 46.77 / 46.90 1.97 / 0.98 1.9406 4 3 0 49.37 / 49.50 1.86 / 0.93 1.8443 4 3 1 50.46 / 50.60 2.62 / 1.31 1.8070 1 2 3 50.58 / 50.71 2.79 / 1.40 1.8031 3 3 2 51.21 / 51.34 4.64 / 2.32 1.7825 2 4 2 51.21 / 51.34 2.22 / 1.11 1.7825 4 2 2 53.06 / 53.20 5.72 / 2.86 1.7245 1 5 2 53.76 / 53.90 1.44 / 0.72 1.7038 4 4 0 54.16 / 54.31 1.14 / 0.57 1.6919 3 1 3 54.36 / 54.51 1.35 / 0.68 1.6863 3 5 0 56.06 / 56.21 4.48 / 2.24 1.6392 6 0 2 56.12 / 56.27 1.08 / 0.54 1.6375 4 4 1 56.64 / 56.80 2.96 / 1.48 1.6236 3 4 2 56.71 / 56.86 1.45 / 0.73 1.6220 3 5 1 57.80 / 57.96 2.40 / 1.20 1.5938 5 2 2 59.03 / 59.19 1.58 / 0.79 1.5635 7 1 0 60.08 / 60.25 3.15 / 1.58 1.5386 6 1 2 62.62 / 62.79 2.95 / 1.48 1.4822 0 0 4 62.86 / 63.03 3.15 / 1.57 1.4772 4 4 2 63.41 / 63.58 1.25 / 0.62 1.4657 7 0 2 64.57 / 64.75 1.63 / 0.82 1.4421 2 7 0 64.57 / 64.75 1.09 / 0.54 1.4421 7 2 0 70.90 / 71.11 1.06 / 0.53 1.3280 7 3 0 71.12 / 71.32 1.16 / 0.58 1.3245 4 0 4 73.68 / 73.89 1.94 / 0.97 1.2847 4 1 4 76.93 / 77.15 1.26 / 0.63 1.2384 5 5 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.