AM_Kornerupine_1 Formula: Fe.332 Mg3.158 Al7.08 Si3.56 H.6 O21.75 F.25 Name: Kornerupine Unit cell: 16.117 13.728 6.749 90.0 90.0 90.0 , V=1493.24 Space group: CMCM (63)

Klaska R , Grew E S , American Mineralogist , 76 (1991) p.1824-1835, The crystal structure of B-free kornerupine: Conditions favoring the, incorporation of variable amounts of B through B = Si substitution in, kornerupine, Note: Sample is from the Sinyoni Claims in the Limpopo Belt near Beit Bridge, Zimbabwe