Hedenbergite Nestola F, Ballaran T B, Liebske C, Thompson R, Downs R T American Mineralogist 93 (2008) 1005-1013 The effect of the hedenbergitic substitution on the compressibility of jadeite Locality: Synthetic Sample: Jd24Hd76, P = 3.87 GPa _database_code_amcsd 0004606 9.6410 8.7920 5.2122 90 105.391 90 C2/c atom x y z occ Uiso NaM2 0 .3019 .25 .24 .012 CaM2 0 .3019 .25 .76 .012 AlM1 0 .9056 .25 .24 .0061 Fe2+M1 0 .9056 .25 .76 .0061 SiT .2885 .0927 .2317 .010 O1 .1167 .086 .1482 .014 O2 .3602 .2539 .320 .019 O3 .3540 .0200 .9946 .008