Institute of Experimental Mineralogy Russian Academy of Sciences ------------------------------------------------- 142432, Chernogolovka, Moscow district A.V. Chichagov +7(496)52-22320 *** *** W W W - X R A Y P O L *** *********************** INDIALITE 5, t-beryl, syn, DF Mg(2)Bi(0.168)Al(4)Si(5)O(18) Hexagonal P 6/mcc Z = 2 P6/mcc 2 .11 .11 Ref.Str.: Schwartz K.B., Leong D.B., McConville R.L. (1994) * Phys. Chem. Minerals, 20, 563-574 R: N.A.D. Initial data from BDM-file Lattice parameters (cub. angs.,degr.): a = 9.785 alpha = 90.0 b = 9.785 beta = 90.0 c = 9.3495 gamma = 120.0 Unit cell volume (cub. angs.) = 775.25 Molar volume ( cub.cm/mol.) = 233.48 Co-ordinates, thermal parameters, occupation for atomic positions: NoP x/a y/b z/c B(j) atom / occupation 1 0.5 0.5 0.25 0.0 Al = 0.67, Si = 0.33 2 0.3717 0.2661 0.0 0.0 Si = 0.67, Al = 0.33 3 0.3333 0.6667 0.25 0.0 Mg = 1.00 4 0.4855 0.3496 0.1443 0.0 O = 1.00 5 0.2303 0.3086 0.0 0.0 O = 1.00 6 0.0 0.0 0.25 0.0 Bi = 0.11, Bi = 0.0 7 0.0 0.0 0.0 0.0 Bi = 0.06, Bi = 0.0 Co-ordinates for all atomic positions : No NoP x/a y/b z/c 1 1 0.5 0.5 0.25 2 2 0.3717 0.2661 0.0 3 3 0.3333 0.6667 0.25 4 4 0.4855 0.3496 0.1443 5 5 0.2303 0.3086 0.0 6 6 0.0 0.0 0.25 7 7 0.0 0.0 0.0 8 1 0.5 0.0 0.25 9 1 0.0 0.5 0.25 10 2 0.7339 0.1056 0.0 11 2 0.8944 0.6283 0.0 12 4 0.6504 0.1359 0.1443 13 4 0.8641 0.5145 0.1443 14 5 0.6914 0.9217 0.0 15 5 0.0783 0.7697 0.0 16 2 0.6283 0.7339 0.0 17 3 0.6667 0.3333 0.25 18 4 0.5145 0.6503 0.1443 19 5 0.7697 0.6914 0.0 20 2 0.2661 0.8944 0.0 21 2 0.1056 0.3717 0.0 22 4 0.3496 0.8641 0.1443 23 4 0.1359 0.4855 0.1443 24 5 0.3086 0.0783 0.0 25 5 0.9217 0.2303 0.0 26 1 0.5 0.0 0.75 27 2 0.3717 0.1056 0.5 28 3 0.3333 0.6667 0.75 29 4 0.4855 0.1359 0.6443 30 5 0.2303 0.9217 0.5 31 6 0.0 0.0 0.75 32 7 0.0 0.0 0.5 33 1 0.5 0.5 0.75 34 1 0.0 0.5 0.75 35 2 0.7339 0.6283 0.5 36 2 0.8944 0.2661 0.5 37 4 0.6504 0.5145 0.6443 38 4 0.8641 0.3497 0.6443 39 5 0.6914 0.7697 0.5 40 5 0.0783 0.3086 0.5 41 2 0.6283 0.8944 0.5 42 3 0.6667 0.3333 0.75 43 4 0.5145 0.8641 0.6443 44 5 0.7697 0.0783 0.5 45 2 0.2661 0.3717 0.5 46 2 0.1056 0.7339 0.5 47 4 0.3496 0.4855 0.6443 48 4 0.1359 0.6503 0.6443 49 5 0.3086 0.2303 0.5 50 5 0.9217 0.6914 0.5 51 4 0.4855 0.3496 0.8557 52 4 0.6504 0.1359 0.8557 53 4 0.8641 0.5145 0.8557 54 4 0.5145 0.6503 0.8557 55 4 0.3496 0.8641 0.8557 56 4 0.1359 0.4855 0.8557 57 4 0.4855 0.1359 0.3557 58 4 0.6504 0.5145 0.3557 59 4 0.8641 0.3497 0.3557 60 4 0.5145 0.8641 0.3557 61 4 0.3496 0.4855 0.3557 62 4 0.1359 0.6503 0.3557 X-ray density (g/cm cub.) = 2.66 MU (1/cm) = 177.045 Mass attenuation coefficient (cm**2/g) = 66.674 Selected interatomic distances (cation-anion,anion-anion): NoP Atom Rad.sph. C.N. Distance NoP N. (angs.) (angs.) 1 Al ,Si 2.316 4 1.7184 4 1.7184 4 1.7183 4 1.7183 4 2 Si ,Al 2.316 4 1.679 4 1.6318 5 1.6196 5 1.679 4 3 Mg 2.52 6 2.1038 4 2.1038 4 2.1038 4 2.1037 4 2.1039 4 2.1037 4 4 O 3.264 9 2.6864 5 3.2169 4 3.2169 4 2.8116 4 2.6964 5 2.6985 4 2.8776 4 2.5507 4 3.0349 4 5 O 3.264 6 2.6864 4 2.6965 4 2.7187 5 2.7189 5 2.6864 4 2.6965 4 6 Bi ,Bi 3.072 0 7 Bi ,Bi 3.072 6 2.7188 5 2.7188 5 2.7188 5 2.7188 5 2.7188 5 2.7188 5 X-ray diffraction powder data (II), X-Ray W.L. = 1.78892(angs.): No H K L Theta 2*Theta S LPG MF F I int. ( degree ) *100 1 1 0 0 6.059 12.118 0.059 176.54 6 58.0 593.8 2 1 1 0 10.534 21.068 0.102 56.93 6 39.4 88.1 3 0 0 2 11.031 22.062 0.107 51.73 2 67.7 78.8 4 2 0 0 12.187 24.374 0.118 42.0 6 34.2 49.0 5 1 0 2 12.622 25.244 0.122 39.02 12 64.8 327.0 6 1 1 2 15.346 30.691 0.148 25.76 12 101.1 526.1 7 2 1 0 16.216 32.433 0.156 22.87 12 32.0 46.8 8 2 0 2 16.554 33.107 0.159 21.87 12 116.5 592.9 9 2 1 1 17.169 34.339 0.165 20.2 24 92.4 689.1 10 3 0 0 18.461 36.922 0.177 17.23 6 40.8 28.6 11 2 1 2 19.787 39.574 0.189 14.78 24 51.4 155.8 12 2 2 0 21.447 42.895 0.204 12.35 6 83.9 86.8 13 3 0 2 21.714 43.428 0.207 12.01 12 24.3 14.2 14 3 1 0 22.369 44.739 0.213 11.23 12 34.4 26.6 15 0 0 4 22.5 44.999 0.214 11.09 2 173.5 111.1 16 3 1 1 23.105 46.21 0.219 10.44 24 25.0 26.1 17 1 0 4 23.389 46.777 0.222 10.16 12 35.9 26.1 18 2 1 3 23.607 47.213 0.224 9.95 24 26.6 28.0 19 2 2 2 24.373 48.747 0.231 9.25 12 52.1 50.1 20 4 0 0 24.974 49.949 0.236 8.75 6 2.9 0.1 21 1 1 4 25.094 50.188 0.237 8.66 12 24.9 10.7 22 3 1 2 25.212 50.424 0.238 8.56 24 43.5 64.7 23 2 0 4 25.915 51.831 0.244 8.04 12 10.5 1.8 24 3 2 0 27.393 54.786 0.257 7.09 12 34.1 16.4 25 4 0 2 27.616 55.232 0.259 6.96 12 55.6 42.9 26 3 2 1 28.03 56.06 0.263 6.73 24 21.6 12.5 27 2 1 4 28.277 56.555 0.265 6.6 24 0.3 0.0 28 3 1 3 28.468 56.936 0.266 6.5 24 62.1 99.9 29 4 1 0 28.928 57.855 0.27 6.27 12 79.6 79.3 30 4 1 1 29.543 59.086 0.276 5.98 24 42.3 42.8 31 3 0 4 29.782 59.564 0.278 5.87 12 94.8 105.3 32 3 2 2 29.887 59.774 0.279 5.82 24 9.7 2.2 33 4 1 2 31.344 62.688 0.291 5.24 24 34.1 24.3 34 5 0 0 31.854 63.709 0.295 5.06 6 101.2 51.7 35 2 2 4 31.957 63.914 0.296 5.02 12 162.0 263.2 36 3 1 4 32.663 65.327 0.302 4.79 24 8.4 1.4 37 3 2 3 32.838 65.677 0.303 4.73 24 34.4 22.4 38 3 3 0 33.262 66.524 0.307 4.61 6 49.1 11.1 39 2 1 5 33.635 67.27 0.31 4.5 24 25.9 12.0 40 4 2 0 33.954 67.909 0.312 4.41 12 82.7 60.3 41 5 0 2 34.151 68.302 0.314 4.36 12 10.2 0.9 42 4 1 3 34.225 68.45 0.314 4.34 24 71.8 89.2 43 4 2 1 34.518 69.036 0.317 4.26 24 3.2 0.2 44 4 0 4 34.738 69.476 0.319 4.21 12 54.2 24.7 45 0 0 6 35.031 70.061 0.321 4.14 2 120.6 20.0 46 3 3 2 35.513 71.026 0.325 4.03 12 62.2 31.1 47 1 0 6 35.707 71.414 0.326 3.98 12 15.1 1.8 48 5 1 0 35.993 71.987 0.329 3.92 12 2.5 0.0 49 4 2 2 36.185 72.37 0.33 3.88 24 7.2 0.8 50 5 1 1 36.543 73.086 0.333 3.81 24 13.7 2.8 51 3 2 4 36.758 73.516 0.335 3.77 24 47.2 33.5 52 1 1 6 37.044 74.088 0.337 3.71 12 68.8 35.1 53 3 1 5 37.682 75.363 0.342 3.6 24 24.6 8.7 54 2 0 6 37.706 75.411 0.342 3.59 12 67.0 32.2 55 4 1 4 38.081 76.162 0.345 3.53 24 3.3 0.2 56 5 1 2 38.174 76.349 0.345 3.52 24 59.6 49.9 57 4 2 3 38.9 77.799 0.351 3.4 24 20.1 5.5 58 6 0 0 39.295 78.59 0.354 3.35 6 91.7 28.1 59 2 1 6 39.668 79.337 0.357 3.3 24 50.3 33.3 60 4 3 0 39.945 79.89 0.359 3.26 12 2.1 0.0 61 4 3 1 40.477 80.954 0.363 3.2 24 2.8 0.1 62 5 0 4 40.685 81.37 0.364 3.17 12 17.1 1.9 63 5 1 3 40.846 81.692 0.366 3.15 24 11.6 1.7 64 3 0 6 40.963 81.925 0.366 3.14 12 4.9 0.2 65 5 2 0 41.237 82.474 0.368 3.11 12 89.3 49.6 66 6 0 2 41.421 82.842 0.37 3.09 12 143.0 126.2 67 3 2 5 41.583 83.166 0.371 3.08 24 23.2 6.6 68 5 2 1 41.765 83.531 0.372 3.06 24 69.5 59.0 69 3 3 4 41.973 83.945 0.374 3.04 12 7.4 0.3 70 4 3 2 42.064 84.127 0.375 3.03 24 4.8 0.3 71 4 2 4 42.614 85.228 0.378 2.98 24 97.6 113.5 72 4 1 5 42.866 85.731 0.38 2.96 24 49.9 29.4 73 2 2 6 42.889 85.778 0.38 2.96 12 76.7 34.8 74 5 2 2 43.345 86.689 0.384 2.93 24 45.8 24.6 75 3 1 6 43.529 87.057 0.385 2.92 24 44.6 23.2 76 6 1 0 43.801 87.602 0.387 2.9 12 20.8 2.5 77 6 1 1 44.326 88.651 0.391 2.86 24 0.9 0.0 78 5 1 4 44.532 89.063 0.392 2.85 24 37.2 15.8 79 4 3 3 44.691 89.382 0.393 2.84 24 72.7 60.0 X-ray diffraction powder data (I)...X-Ray wave length = 1.78892 (angs.): No H K L Theta 2*Theta d I int I int.n. I p.h.n. H(Si) ( degree ) (angstrem) *100 *100 1 1 0 0 6.059 12.118 8.47406 593.8 86.2 87.6 5.6 2 1 1 0 10.534 21.068 4.8925 88.1 12.8 12.9 5.6 3 0 0 2 11.031 22.062 4.67475 78.8 11.4 11.6 5.6 4 2 0 0 12.187 24.374 4.23703 49.0 7.1 7.2 5.6 5 1 0 2 12.622 25.244 4.09323 327.0 47.5 47.8 5.6 6 1 1 2 15.346 30.691 3.37991 526.1 76.3 76.6 5.6 7 2 1 0 16.216 32.433 3.20289 46.8 6.8 6.8 5.6 8 2 0 2 16.554 33.107 3.1394 592.9 86.0 86.1 5.6 9 2 1 1 17.169 34.339 3.03003 689.1 100.0 100.0 5.7 10 3 0 0 18.461 36.922 2.82469 28.6 4.1 4.1 5.7 11 2 1 2 19.787 39.574 2.64222 155.8 22.6 22.5 5.7 12 2 2 0 21.447 42.895 2.44625 86.8 12.6 12.5 5.7 13 3 0 2 21.714 43.428 2.41761 14.2 2.1 2.0 5.7 14 3 1 0 22.369 44.739 2.35028 26.6 3.9 3.8 5.7 15 0 0 4 22.5 44.999 2.33737 111.1 16.1 15.9 5.7 16 3 1 1 23.105 46.21 2.27937 26.1 3.8 3.7 5.7 17 1 0 4 23.389 46.777 2.25323 26.1 3.8 3.7 5.7 18 2 1 3 23.607 47.213 2.23362 28.0 4.1 4.0 5.7 19 2 2 2 24.373 48.747 2.16743 50.1 7.3 7.2 5.7 20 1 1 4 25.094 50.188 2.10905 10.7 1.6 1.5 5.7 21 3 1 2 25.212 50.424 2.09983 64.7 9.4 9.2 5.8 22 3 2 0 27.393 54.786 1.94408 16.4 2.4 2.3 5.8 23 4 0 2 27.616 55.232 1.92961 42.9 6.2 6.1 5.8 24 3 2 1 28.03 56.06 1.90337 12.5 1.8 1.8 5.8 25 3 1 3 28.468 56.936 1.87649 99.9 14.5 14.1 5.8 26 4 1 0 28.928 57.855 1.84919 79.3 11.5 11.2 5.8 27 4 1 1 29.543 59.086 1.81405 42.8 6.2 6.0 5.8 28 3 0 4 29.782 59.564 1.80079 105.3 15.3 14.8 5.8 29 4 1 2 31.344 62.688 1.71955 24.3 3.5 3.4 5.8 30 5 0 0 31.854 63.709 1.69481 51.7 7.5 7.2 5.9 31 2 2 4 31.957 63.914 1.68995 263.2 38.2 36.9 5.9 32 3 2 3 32.838 65.677 1.64947 22.4 3.3 3.1 5.9 33 3 3 0 33.262 66.524 1.63083 11.1 1.6 1.5 5.9 34 2 1 5 33.635 67.27 1.61484 12.0 1.7 1.7 5.9 35 4 2 0 33.954 67.909 1.60145 60.3 8.7 8.4 5.9 36 4 1 3 34.225 68.45 1.59031 89.2 12.9 12.4 5.9 37 4 0 4 34.738 69.476 1.5697 24.7 3.6 3.4 5.9 38 0 0 6 35.031 70.061 1.55825 20.0 2.9 2.8 5.9 39 3 3 2 35.513 71.026 1.53982 31.1 4.5 4.3 5.9 40 3 2 4 36.758 73.516 1.49466 33.5 4.9 4.6 6.0 41 1 1 6 37.044 74.088 1.48476 35.1 5.1 4.8 6.0 42 2 0 6 37.706 75.411 1.46248 40.9 5.9 5.6 6.0 43 5 1 2 38.174 76.349 1.44722 49.9 7.2 6.8 6.0 44 6 0 0 39.295 78.59 1.41234 28.1 4.1 3.8 6.0 45 2 1 6 39.668 79.337 1.40122 33.3 4.8 4.5 6.0 46 5 2 0 41.237 82.474 1.35694 49.6 7.2 6.7 6.1 47 6 0 2 41.421 82.842 1.35199 126.2 18.3 17.0 6.1 48 5 2 1 41.765 83.531 1.34287 59.0 8.6 8.0 6.1 49 4 2 4 42.614 85.228 1.32111 113.5 16.5 15.2 6.1 50 2 2 6 42.889 85.778 1.31426 64.2 9.3 8.6 6.1 51 5 2 2 43.345 86.689 1.30315 24.6 3.6 3.3 6.1 52 3 1 6 43.529 87.057 1.29873 23.2 3.4 3.1 6.1 53 5 1 4 44.532 89.063 1.27543 15.8 2.3 2.1 6.2 54 4 3 3 44.691 89.382 1.27184 60.0 8.7 8.0 6.2 Reference: Chichagov A.V. et al. Information-Calculating System on Crystal Structure Data of Minerals (MINCRYST) - Kristallographiya, v.35, n.3, 1990, p.610-616 (in Russian) |