Hedenbergite 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: Jd24Hde76 _database_code_amcsd 0004450 9.7340 8.9103 5.2682 90 105.904 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 .30061 .25 .24 .0114 .0137 .0090 .0092 0 -.0005 0 CaM2 0 .30061 .25 .76 .0114 .0137 .0090 .0092 0 -.0005 0 AlM1 0 .90603 .25 .24 .0075 .0074 .0073 .0071 0 .0009 0 Fe2+M1 0 .90603 .25 .76 .0075 .0074 .0073 .0071 0 .0009 0 SiT .28782 .09199 .2317 .0069 .0064 .0082 .0060 .0002 .0017 -.0006 O1 .1165 .0853 .1451 .0142 .0095 .0203 .0129 .0016 .0031 -.0028 O2 .3609 .2510 .3166 .0136 .0201 .0091 .0112 -.0007 .0035 -.0006 O3 .3510 .0160 -.0016 .0099 .0094 .0128 .0076 .0002 .0026 -.0027