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: Jd0Hd100 _database_code_amcsd 0004451 9.8447 9.0234 5.2509 90 104.862 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) CaM2 0 .30034 .25 .99 .00873 .0104 .0073 .0073 0 .0001 0 FeM2' 0 .242 .25 .01 .0065 Fe2+M1 0 .90741 .25 .00635 .0067 .0058 .0063 0 .0011 0 SiT .28786 .09244 .23259 .0050 .0050 .0052 .0048 -.0002 .0012 -.0004 O1 .1194 .0901 .1519 .0074 .0056 .0093 .0072 .0001 .0016 .0000 O2 .3630 .2465 .3237 .0097 .0122 .0068 .0096 .0029 .0019 -.0010 O3 .3502 .0198 -.0066 .0079 .0067 .0100 .0070 -.0001 .0017 -.0024