Aegirine Nestola F, Tribaudino M, Ballaran T B, Liebske C, Bruno M American Mineralogist 92 (2007) 1492-1501 The crystal structures of pyroxenes along the jadeite - hedenbergite and jadeite - aegirine joins Locality: synthetic Sample: Jd35Ae65 _database_code_amcsd 0004447 9.5663 8.7040 5.2733 90 107.600 90 C2/c atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) NaM2 0 .29844 .25 .0118 .0140 .0095 .0086 0 -.0014 0 AlM1 0 .90134 .25 .35 .00542 .0053 .0053 .0054 0 .00117 0 Fe3+M1 0 .90134 .25 .65 .00542 .0053 .0053 .0054 0 .00117 0 SiT .29075 .09083 .23362 .00500 .0046 .0053 .0051 -.00007 .00150 -.00021 O1 .11233 .07785 .1345 .0078 .0052 .0086 .0094 .0006 .0018 -.0002 O2 .35929 .25862 .2992 .0096 .0118 .0061 .0109 -.0020 .0033 -.0010 O3 .35289 .00802 .0111 .0078 .0065 .0104 .0064 .0008 .0018 -.0021