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Dmitryivanovite: CaAl2O4
Comments: Inclusion consisting mainly of grossite (Gr) intergrown with perovskite (Pv) and melilite (Mel) that is pure gehlenite (Ak0) with dmitryivanovite (CaAl2O4). (AmMin, v94:746). Location: Northwest Africa 470 (NWA470) CH3 chondrite. Scale: See Image. © American Mineralogist