AM_Ilvaite_24
Formula: Ca.96 Mn.56 Mg.01 Fe2.45 Al.01 Si2 O9 H
Name: Ilvaite
Unit cell: 13.006 8.842 5.844 90.0 90.19 90.0 , V=672.05
Space group: P121/A1 (14)

Carrozzini B , European Journal of Mineralogy , 6 (1994) p.465-479, Crystal structure refinements of ilvaite: new relationships, between chemical composition and crystallographic parameters, Sample: Oridda X-3.3