data_global _chemical_name_mineral 'Kentbrooksite' loop_ _publ_author_name 'Johnsen O' 'Grice J D' _journal_name_full 'The Canadian Mineralogist' _journal_volume 37 _journal_year 1999 _journal_page_first 865 _journal_page_last 891 _publ_section_title ; The crystal chemistry of the eudialyte group Sample: #13 ; _database_code_amcsd 0005619 _chemical_compound_source 'Amdrup Fjord, Kangerdlugssuaq intrusion, Eastern Greenland' _chemical_formula_sum 'Ca3.36 Mn3.78 Y.42 Ce.71 La.58 Fe.75 Al.15 Nb.55 Zr2.95 Ti.2 Si25.11 Na13.93 Nd.138 K.3 Sr.15 Hf.06 O75.752 Cl.269 F1.541 H.192' _cell_length_a 14.199 _cell_length_b 14.199 _cell_length_c 30.139 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 5262.293 _exptl_crystal_density_diffrn 3.093 _symmetry_space_group_name_H-M 'R 3 m' loop_ _space_group_symop_operation_xyz 'x,y,z' '2/3+x,1/3+y,1/3+z' '1/3+x,2/3+y,2/3+z' 'x,x-y,z' '2/3+x,1/3+x-y,1/3+z' '1/3+x,2/3+x-y,2/3+z' '-y,-x,z' '2/3-y,1/3-x,1/3+z' '1/3-y,2/3-x,2/3+z' '-x+y,y,z' '2/3-x+y,1/3+y,1/3+z' '1/3-x+y,2/3+y,2/3+z' '-y,x-y,z' '2/3-y,1/3+x-y,1/3+z' '1/3-y,2/3+x-y,2/3+z' '-x+y,-x,z' '2/3-x+y,1/3-x,1/3+z' '1/3-x+y,2/3-x,2/3+z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_U_iso_or_equiv CaM1 0.59400 0.92570 0.16740 0.56000 0.01700 MnM1 0.59400 0.92570 0.16740 0.30000 0.01700 YM1 0.59400 0.92570 0.16740 0.07000 0.01700 CeM1 0.59400 0.92570 0.16740 0.04000 0.01700 LaM1 0.59400 0.92570 0.16740 0.03000 0.01700 MnM25 0.81790 0.18210 0.16930 0.66000 0.01400 FeM25 0.81790 0.18210 0.16930 0.15000 0.01400 AlM25 0.81790 0.18210 0.16930 0.05000 0.01400 FeM24 0.84300 0.15700 0.16430 0.10000 0.03000 NbM3 0.00000 0.00000 -0.12810 0.55000 0.01400 ZrM3 0.00000 0.00000 -0.12810 0.13000 0.01400 TiM3 0.00000 0.00000 -0.12810 0.08000 0.01400 Si7 0.00000 0.00000 0.07800 0.85000 0.01100 Si7a 0.00000 0.00000 0.11690 0.26000 0.03000 Na1a 0.22210 0.77790 0.01560 0.48500 0.03300 CeNa1a 0.22210 0.77790 0.01560 0.01000 0.03300 LaNa1a 0.22210 0.77790 0.01560 0.00500 0.03300 Na1b 0.24940 0.75080 -0.00030 0.48500 0.07700 CeNa1b 0.24940 0.75080 -0.00030 0.01000 0.07700 LaNa1b 0.24940 0.75080 -0.00030 0.00500 0.07700 Na2 0.44420 0.55580 -0.67870 0.79000 0.02300 Na3a 0.08890 0.91110 0.20490 0.47000 0.07300 CeNa3a 0.08890 0.91110 0.20490 0.01500 0.07300 LaNa3a 0.08890 0.91110 0.20490 0.01000 0.07300 NdNa3a 0.08890 0.91110 0.20490 0.00800 0.07300 Na3b 0.11510 0.88490 0.21550 0.47000 0.03300 CeNa3b 0.11510 0.88490 0.21550 0.01500 0.03300 LaNa3b 0.11510 0.88490 0.21550 0.01000 0.03300 NdNa3b 0.11510 0.88490 0.21550 0.00800 0.03300 Na4 0.56700 0.43300 0.12040 0.62000 0.01500 CeNa4 0.56700 0.43300 0.12040 0.10000 0.01500 LaNa4 0.56700 0.43300 0.12040 0.10000 0.01500 NdNa4 0.56700 0.43300 0.12040 0.03000 0.01500 KNa4 0.56700 0.43300 0.12040 0.10000 0.01500 SrNa4 0.56700 0.43300 0.12040 0.05000 0.01500 Na5 0.73860 0.26140 0.31390 1.00000 0.06500 Zr 0.49800 0.50200 0.00000 0.94000 0.00900 Ti 0.49800 0.50200 0.00000 0.04000 0.00900 Hf 0.49800 0.50200 0.00000 0.02000 0.00900 Si1 0.26280 0.73720 0.24890 1.00000 0.01400 Si2 0.40360 0.59640 0.08750 1.00000 0.01700 Si3 0.53940 0.46060 0.24460 1.00000 0.01100 Si4 0.12480 0.87520 0.09200 1.00000 0.01000 Si5 0.94600 0.67640 0.26320 1.00000 0.00900 Si6 0.72290 0.06260 0.06970 1.00000 0.01000 O1 0.39510 0.60490 0.24500 1.00000 0.02400 O2 0.22180 0.77820 0.20780 1.00000 0.03300 O3 0.23490 0.76510 0.29660 1.00000 0.03400 O4 0.27120 0.72880 0.09230 1.00000 0.02900 O5 0.44730 0.55270 0.12520 1.00000 0.03600 O6 0.09410 0.90590 0.37130 1.00000 0.03000 O7 0.60980 0.03800 0.27420 1.00000 0.01500 O8 0.51590 0.48410 0.19590 1.00000 0.01500 O9 0.60440 0.39560 0.24840 1.00000 0.02300 O10 0.71590 0.94520 0.05990 1.00000 0.02500 O11 0.15510 0.84490 0.13850 1.00000 0.01700 O12 0.05960 0.94040 0.10040 1.00000 0.03600 O13 0.30220 0.89810 -0.62670 1.00000 0.02200 O14 0.70360 0.07420 0.12110 1.00000 0.01600 O15 0.84350 0.15650 0.05300 1.00000 0.01600 O16 0.74970 0.77550 0.29450 1.00000 0.02100 O17 0.96070 0.70380 0.21080 1.00000 0.01700 O18 0.82020 0.17980 0.27810 1.00000 0.01400 O19 0.72990 0.27010 0.17070 0.87000 0.02100 O20 0.00000 0.00000 0.02480 0.95000 0.02200 ClX1a 0.00000 0.00000 -0.26610 0.03400 0.03000 FX1a 0.00000 0.00000 -0.26610 0.19300 0.03000 O-HX1a 0.00000 0.00000 -0.26610 0.02400 0.03000 ClX1b 0.05010 0.10020 -0.26090 0.01100 0.03000 FX1b 0.05010 0.10020 -0.26090 0.06400 0.03000 O-HX1b 0.05010 0.10020 -0.26090 0.00800 0.03000 ClX1c 0.02580 0.05170 -0.24540 0.01100 0.03000 FX1c 0.02580 0.05170 -0.24540 0.06400 0.03000 O-HX1c 0.02580 0.05170 -0.24540 0.00800 0.03000 ClX2a 0.00000 0.00000 0.23850 0.03400 0.03000 FX2a 0.00000 0.00000 0.23850 0.19300 0.03000 O-HX2a 0.00000 0.00000 0.23850 0.02400 0.03000 ClX2b 0.00000 0.00000 0.20910 0.03400 0.03000 FX2b 0.00000 0.00000 0.20910 0.19300 0.03000 O-HX2b 0.00000 0.00000 0.20910 0.02400 0.03000 ClX2c 0.01970 0.03940 0.29200 0.01100 0.03000 FX2c 0.01970 0.03940 0.29200 0.06400 0.03000 O-HX2c 0.01970 0.03940 0.29200 0.00800 0.03000 ClX2d 0.00000 0.00000 0.26150 0.03400 0.03000 FX2d 0.00000 0.00000 0.26150 0.19300 0.03000 O-HX2d 0.00000 0.00000 0.26150 0.02400 0.03000 ClX2e 0.00000 0.00000 0.17280 0.03400 0.03000 FX2e 0.00000 0.00000 0.17280 0.19300 0.03000 O-HX2e 0.00000 0.00000 0.17280 0.02400 0.03000