AM_Ominelite_1
Formula: (Mg.478 Fe.522) Al3 B Si O9
Name: Ominelite
Unit cell: 10.345 11.0519 5.7656 90.0 90.0 90.0 , V=659.19
Space group: PBNM (62)

Dzikowski T J , Groat L A , Grew E S , American Mineralogist , 92 (2007) p.863-872, The geometric effects of VFe2+ for VMg substitution on the crystal structures, of the grandidierite-ominelite series, Sample: G9, Locality: Almgjotheii, Rogaland, Norway