Cechite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern for R170047 Pertlik F Neues Jahrbuch fur Mineralogie, Monatshefte 1989 (1989) 34-40 The crystal structure of cechite, Pb(Fe,Mn)(VO4)(OH) with Fe>Mn. A mineral of the descloizite group Locality: Vrancice, Bohemian pluton, Pribram, Czechoslovakia (Czech Republic) _database_code_amcsd 0014834 CELL PARAMETERS: 7.602753 9.434301 6.090184 90.00000 90.00000 90.00000 SPACE GROUP: Pnam X-RAY WAVELENGTH: 1.541838 Cell Volume: 437.623 Density (g/cm3): 5.976 MAX. ABS. INTENSITY / VOLUME**2: 83.27680880 RIR: 4.537 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 17.32 67.55 5.1167 0 1 1 18.80 18.58 4.7172 0 2 0 20.92 39.95 4.2449 1 1 1 22.16 20.31 4.0083 1 2 0 23.39 1.62 3.8014 2 0 0 25.24 26.02 3.5259 2 1 0 26.61 18.48 3.3482 1 2 1 27.64 100.00 3.2247 2 0 1 29.31 30.55 3.0451 0 0 2 30.17 5.98 2.9599 2 2 0 30.75 53.80 2.9060 1 3 0 33.06 38.22 2.7078 1 1 2 33.64 45.72 2.6621 2 2 1 34.16 58.30 2.6227 1 3 1 35.05 20.59 2.5583 0 2 2 36.69 7.54 2.4475 3 1 0 37.05 5.78 2.4247 1 2 2 37.08 1.70 2.4231 2 3 0 37.83 4.50 2.3766 2 0 2 39.06 38.85 2.3046 2 1 2 39.66 2.83 2.2710 3 1 1 40.00 11.99 2.2527 1 4 0 40.37 6.22 2.2325 3 2 0 42.57 2.17 2.1224 2 2 2 42.77 12.07 2.1128 1 4 1 42.99 14.77 2.1023 1 3 2 43.13 11.01 2.0961 3 2 1 45.21 1.36 2.0042 2 4 0 45.68 6.59 1.9846 0 1 3 45.96 5.76 1.9733 3 3 0 47.30 4.37 1.9203 1 1 3 47.74 2.06 1.9037 2 4 1 47.82 8.15 1.9007 4 0 0 48.46 14.14 1.8772 3 3 1 48.80 6.52 1.8647 0 4 2 50.35 3.09 1.8110 1 2 3 50.35 6.31 1.8110 1 4 2 50.61 5.02 1.8023 0 5 1 50.67 3.78 1.8004 3 2 2 50.96 15.37 1.7907 2 0 3 51.24 10.26 1.7817 4 1 1 51.82 12.82 1.7630 4 2 0 52.11 9.03 1.7537 1 5 1 53.00 2.43 1.7265 3 4 0 54.23 2.91 1.6901 2 5 0 54.79 9.02 1.6741 2 2 3 54.79 1.22 1.6741 2 4 2 55.15 13.57 1.6642 1 3 3 55.26 4.29 1.6611 3 4 1 55.45 28.21 1.6560 3 3 2 57.08 14.22 1.6124 4 0 2 58.67 4.89 1.5724 0 6 0 58.80 12.57 1.5694 1 5 2 60.65 1.39 1.5257 4 2 2 60.79 9.82 1.5225 0 0 4 61.19 6.11 1.5134 3 5 0 61.44 3.27 1.5080 1 4 3 61.71 3.16 1.5019 3 2 3 61.72 1.38 1.5019 3 4 2 61.75 1.93 1.5012 5 1 0 62.73 1.40 1.4799 4 4 0 62.84 3.04 1.4778 2 5 2 63.27 3.89 1.4688 3 5 1 63.81 2.12 1.4576 5 1 1 64.24 1.10 1.4489 0 2 4 64.32 1.00 1.4472 5 2 0 65.53 1.82 1.4233 1 2 4 65.97 5.12 1.4150 3 3 3 66.06 11.02 1.4133 2 6 1 66.34 1.19 1.4080 5 2 1 66.89 3.28 1.3978 2 1 4 66.92 1.81 1.3971 0 6 2 67.75 1.80 1.3821 0 5 3 68.27 4.22 1.3727 4 1 3 69.01 3.61 1.3598 1 5 3 69.28 3.07 1.3553 3 5 2 69.67 7.93 1.3486 1 3 4 70.45 7.16 1.3356 5 3 1 71.71 1.68 1.3152 3 4 3 71.66 2.28 1.3159 0 7 1 72.17 2.35 1.3078 4 5 1 73.15 1.81 1.2928 3 1 4 74.14 1.73 1.2780 5 4 0 74.66 1.54 1.2703 2 7 0 75.28 2.57 1.2614 1 4 4 75.53 1.39 1.2579 3 2 4 76.03 1.25 1.2507 5 4 1 76.19 5.11 1.2486 5 3 2 76.77 4.58 1.2406 6 0 1 78.82 1.90 1.2134 3 5 3 78.96 1.59 1.2115 4 6 0 79.32 1.01 1.2070 5 1 3 79.44 1.95 1.2054 3 3 4 79.89 2.04 1.1998 6 2 1 80.82 2.57 1.1883 4 0 4 81.38 5.38 1.1815 2 6 3 81.64 1.68 1.1784 5 4 2 82.15 2.77 1.1724 2 7 2 83.03 2.21 1.1622 5 5 1 83.14 2.29 1.1610 6 1 2 83.23 3.21 1.1599 2 0 5 83.90 4.54 1.1523 4 2 4 85.49 3.92 1.1350 5 3 3 85.84 1.33 1.1312 2 5 4 86.30 2.21 1.1264 2 2 5 86.36 6.42 1.1257 4 6 2 86.59 2.72 1.1233 1 3 5 86.64 1.28 1.1228 0 7 3 87.12 1.30 1.1178 4 5 3 88.14 3.62 1.1076 2 8 1 88.93 2.97 1.0997 0 8 2 89.54 2.50 1.0938 0 6 4 89.54 2.50 1.0938 0 6 4 XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.