data_global _chemical_name_mineral 'Yugawaralite' loop_ _publ_author_name 'Artioli G' 'Stahl K' 'Cruciani G' 'Gualtieri A' 'Hanson J C' _journal_name_full 'American Mineralogist' _journal_volume 86 _journal_year 2001 _journal_page_first 185 _journal_page_last 192 _publ_section_title ; In situ dehydration of yugawaralite Sample: at T = 454 K ; _database_code_amcsd 0002628 _chemical_formula_sum 'Si6 Al2 O19.69 Ca' _cell_length_a 6.75075 _cell_length_b 14.0285 _cell_length_c 10.0289 _cell_angle_alpha 90 _cell_angle_beta 111.216 _cell_angle_gamma 90 _cell_volume 885.393 _exptl_crystal_density_diffrn 2.166 _symmetry_space_group_name_H-M 'P 1 c 1' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,-y,1/2+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 Si1 0.33600 0.14800 0.98000 1.00000 0.00890 Si2 0.70600 0.03530 0.19000 1.00000 0.00890 Si3 0.40800 0.12810 0.69000 1.00000 0.00890 Si4 0.01900 0.47640 0.44000 1.00000 0.00890 Si5 0.35300 0.37150 0.96100 1.00000 0.00890 Si6 0.73000 0.50340 0.62320 1.00000 0.00890 Al1 0.00000 0.00360 0.00000 1.00000 0.00890 Al2 0.38100 0.35410 0.64700 1.00000 0.00890 O1 0.10300 0.10300 0.94600 1.00000 0.01500 O2 0.85300 0.05000 0.09600 1.00000 0.01500 O3 0.19200 0.08000 0.58500 1.00000 0.01500 O4 0.51600 0.11200 0.12700 1.00000 0.01500 O5 0.42200 0.12800 0.85300 1.00000 0.01500 O6 0.60800 0.07130 0.67700 1.00000 0.01500 O7 0.84800 0.06350 0.35300 1.00000 0.01500 O8 0.32500 0.26200 -0.00100 1.00000 0.01500 O9 0.40100 0.23280 0.62300 1.00000 0.01500 O10 0.15800 0.42680 0.98400 1.00000 0.01500 O11 0.82800 0.48600 0.50000 1.00000 0.01500 O12 0.14900 0.37980 0.50400 1.00000 0.01500 O13 0.57900 0.40380 0.07900 1.00000 0.01500 O14 0.36000 0.39000 0.80500 1.00000 0.01500 O15 0.60500 0.40720 0.63400 1.00000 0.01500 O16 0.91800 0.46200 0.26800 1.00000 0.01500 Ca 0.01100 0.22140 0.44500 1.00000 0.02600 OW1 0.05900 0.23500 0.21900 0.99000 0.05900 OW1a 0.00500 0.34300 0.19700 0.01000 0.05900 OW2 0.86700 0.23100 0.61800 1.00000 0.05900 OW3 0.66400 0.28100 0.33100 1.00000 0.05900 OW4 0.30500 0.15200 0.33000 0.11000 0.05900 OW4a 0.33000 0.08700 0.30000 0.20000 0.05900 OW5 0.83500 0.23100 0.95400 0.38000 0.05900