AM_Hedenbergite_34 Formula: (Na.24 Ca.76) (Al.24 Fe.76) Si2 O6 Name: Hedenbergite Unit cell: 9.5525 8.6648 5.155 90.0 104.972 90.0 , V=412.20 Space group: C12/C1 (15)

Nestola F , Ballaran T B , Liebske C , Thompson R , Downs R T , American Mineralogist , 93 (2008) p.1005-1013, The effect of the hedenbergitic substitution on the compressibility, of jadeite, Locality: Synthetic, Sample: Jd24Hd76, P = 8.76 GPa