AM_Ilvaite_11
Formula: Ca Fe2.81 Mg.06 Al.08 Mn.05 Si2 O9
Name: Ilvaite
Unit cell: 13.006 8.804 5.836 90.0 90.0 90.0 , V=668.25
Space group: PNAM (62)

Bonazzi P , Bindi L , American Mineralogist , 84 (1999) p.1604-1612, Structural adjustments induced by heat treatment in ilvaite, Sample: RM at T = 700 deg C