AM_Aegirine_6 Formula: (Na.604 Ca.396) Fe Si2 O6 Name: Aegirine Unit cell: 9.7176 8.8792 5.2828 90.0 106.53 90.0 , V=436.99 Space group: C12/C1 (15)
Redhammer G J , Amthauer G , Roth G , Tippelt G , Lottermoser W , American Mineralogist , 91 (2006) p.1271-1292, Single crystal X-ray diffraction and temperature dependent 57Fe Mossbauer, spectroscopy on the hedenbergite - aegirine (Ca,Na)(Fe2+,Fe3+)Si2O6 solid solution, Locality: synthetic, Sample: Ae601, T = 298 K