AM_Knorringite Formula: Cr1.68 Mg3.16 Si3.16 O12 Name: Knorringite Unit cell: 11.5935 11.5935 11.5935 90.0 90.0 90.0 , V=1558.27 Space group: IA-3D (230)

Juhin A , Morin G , Elkaim E , Frost D J , Fialin M , Juillot F , Calas G , American Mineralogist , 95 (2010) p.59-63, Structure refinement of a synthetic knorringite, Mg3(Cr0.8Mg0.1Si0.1)2(SiO4)3, Locality: synthetic