Dioptase Ribbe P H, Gibbs G V, Hamil M American Mineralogist 62 (1977) 807-811 A refinement of the structure of dioptase, Cu6[Si6O18]*6H2O Locality: Reneville, Congo _database_code_amcsd 0000587 CELL PARAMETERS: 14.5660 14.5660 7.7780 90.000 90.000 120.000 SPACE GROUP: R-3 X-RAY WAVELENGTH: 1.541838 Cell Volume: 1429.154 Density (g/cm3): 3.297 MAX. ABS. INTENSITY / VOLUME**2: 33.11605063 RIR: 3.271 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 12.15 100.00 7.2830 1 1 0 6 18.11 36.19 4.8990 0 2 1 6 21.13 6.73 4.2048 3 0 0 6 21.86 21.55 4.0649 2 1 1 6 21.86 6.51 4.0649 3 -1 1 6 23.94 2.74 3.7164 0 1 2 6 24.44 7.78 3.6415 2 2 0 6 26.93 5.33 3.3103 2 0 2 6 27.96 18.03 3.1907 -1 4 1 6 27.96 3.48 3.1907 1 3 1 6 29.64 3.15 3.0136 1 2 2 6 30.59 3.71 2.9225 4 0 1 6 32.53 7.39 2.7527 1 4 0 6 32.53 1.36 2.7527 4 1 0 6 33.03 6.28 2.7123 5 -2 1 6 33.03 15.62 2.7123 3 2 1 6 34.48 5.03 2.6010 3 1 2 6 34.48 55.31 2.6010 4 -1 2 6 34.60 3.71 2.5927 0 0 3 2 36.80 2.66 2.4425 1 1 3 6 36.80 12.32 2.4425 2 -1 3 6 37.48 12.07 2.3998 0 5 1 6 38.79 1.26 2.3217 2 3 2 6 39.54 13.26 2.2793 2 4 1 6 40.89 4.44 2.2069 3 0 3 6 41.51 1.98 2.1752 5 1 1 6 42.72 21.53 2.1165 5 0 2 6 42.82 2.11 2.1120 2 2 3 6 44.58 2.00 2.0325 6 -2 2 6 44.58 6.03 2.0325 4 2 2 6 44.87 2.64 2.0199 2 5 0 6 44.87 8.90 2.0199 5 2 0 6 46.38 2.05 1.9577 1 5 2 6 48.76 2.32 1.8674 -1 7 1 6 50.10 2.44 1.8207 4 4 0 6 51.58 1.61 1.7721 6 -3 3 6 52.10 1.22 1.7556 7 0 1 6 52.10 6.09 1.7556 3 5 1 6 53.12 7.96 1.7243 7 -1 2 6 53.71 3.99 1.7067 6 2 1 6 53.95 8.94 1.6996 1 3 4 6 53.95 5.19 1.6996 -1 4 4 6 56.26 2.39 1.6351 0 7 2 6 56.26 1.98 1.6351 8 -3 2 6 57.06 1.09 1.6140 3 2 4 6 57.79 2.86 1.5954 2 6 2 6 57.87 1.35 1.5934 5 2 3 6 58.03 2.51 1.5893 6 3 0 6 61.54 3.68 1.5068 -2 6 4 6 61.54 7.30 1.5068 2 4 4 6 62.24 1.35 1.4916 -4 9 2 6 62.31 1.34 1.4900 8 -4 3 6 62.31 4.26 1.4900 4 4 3 6 63.91 4.10 1.4566 5 5 0 6 64.21 3.51 1.4505 9 -1 1 6 65.69 4.43 1.4214 3 1 5 6 65.69 2.60 1.4214 4 -1 5 6 66.58 1.44 1.4045 -1 8 3 6 66.58 2.90 1.4045 7 1 3 6 67.03 5.58 1.3962 10 -3 1 6 67.91 1.23 1.3803 -1 9 2 6 68.13 1.60 1.3764 8 2 0 6 68.63 1.63 1.3676 1 6 4 6 68.63 1.03 1.3676 -1 7 4 6 69.35 2.11 1.3550 3 6 3 6 69.35 1.23 1.3550 6 3 3 6 69.35 6.04 1.3550 -3 9 3 6 69.35 1.19 1.3550 9 -3 3 6 70.65 2.00 1.3332 3 7 2 6 72.56 2.66 1.3028 6 -2 5 6 72.71 1.02 1.3005 8 -2 4 6 72.98 1.39 1.2963 0 0 6 2 74.32 2.13 1.2763 1 1 6 6 76.02 1.25 1.2520 -5 11 2 6 76.50 2.91 1.2452 10 0 1 6 78.71 1.08 1.2157 -2 10 3 6 81.26 2.26 1.1839 2 9 2 6 81.93 1.14 1.1759 9 -1 4 6 82.62 1.44 1.1678 7 4 3 6 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.