Rickardite Forman S A, Peacock M A American Mineralogist 34 (1949) 441-451 Crystal structure of rickardite, Cu4-xTe2 _database_code_amcsd 0000047 CELL PARAMETERS: 3.9800 3.9800 6.1200 90.000 90.000 90.000 SPACE GROUP: P4/nmm X-RAY WAVELENGTH: 1.541838 Cell Volume: 96.943 Density (g/cm3): 7.418 MAX. ABS. INTENSITY / VOLUME**2: 158.9081290 RIR: 6.975 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 14.47 15.78 6.1200 0 0 1 2 26.72 80.26 3.3365 1 0 1 8 29.18 8.69 3.0600 0 0 2 2 31.80 19.20 2.8143 1 1 0 4 35.10 45.00 2.5569 1 1 1 8 37.06 7.79 2.4259 1 0 2 8 43.70 100.00 2.0714 1 1 2 8 44.41 13.27 2.0400 0 0 3 2 45.59 49.15 1.9900 2 0 0 4 48.08 2.68 1.8925 2 0 1 8 50.26 7.41 1.8154 1 0 3 8 53.62 20.14 1.7091 2 1 1 16 55.05 5.09 1.6683 2 0 2 8 60.14 3.31 1.5386 2 1 2 16 60.51 5.78 1.5300 0 0 4 2 65.34 3.99 1.4281 1 0 4 8 65.53 14.16 1.4245 2 0 3 8 66.44 13.62 1.4071 2 2 0 4 70.17 4.85 1.3412 2 1 3 16 72.97 3.57 1.2966 3 0 1 8 74.17 1.90 1.2784 2 2 2 8 75.54 2.49 1.2586 3 1 0 8 77.42 6.52 1.2328 3 1 1 16 78.93 9.21 1.2129 2 0 4 8 82.95 23.06 1.1640 3 1 2 16 83.28 3.65 1.1603 2 1 4 16 83.45 6.30 1.1583 2 2 3 8 86.76 8.99 1.1224 1 1 5 8 87.76 1.23 1.1122 3 0 3 8 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.