Fragment of the iron meteorite Arraias showing its fusion crust and its interior of FeNi composition. Image Credit: André Moutinho

Backscattered electron image (compo)20KeV - 20nA EDS analysis shows the large mass of the meteorite composed of kamacite with small crystals of rhabdite - (FeNi) 3P. Image Credit: Amanda Tosi

Reflected Light Newmann lines and small traces of planar rabdites in the middle of the kamacite. Image Credit: M. E. Zucolotto

Fragment of the Bendegó meteorite showing its Widmanstatten pattern, which classifies it as a coarse octahedrite. Image Credit: André Moutinho

Bendegó meteorite fragment, the 16th largest meteorite in the world. It is classified as a coarse IC octahedrite. In the image it is possible to see its fusion crust already well oxidized due to the years of terrestrial weathering to which it was subjected until it was found. Image Credit: André Moutinho

Reflected Light Plessite fields Image Credit: M. E. Zucolotto

Reflected Light Lamellae of the Widmanstatten pattern classifying the meteorite as a coarse octahedrite. Image Credit: M. E. Zucolotto.

Fragment of the Campinorte meteorite showing the Widmanstatten pattern that classifies it as a coarse octahedrite, however it was not classified into the chemical group of iron meteorites. Image Credit: André Moutinho

Fragment of the Balsas meteorite with its pattern of a Medium Octahedrite and classified as IIIAB. Image Credit: André Moutinho

Fragment of the Blumenau meteorite that was found already well oxidized due to terrestrial weathering. It was classified as a Fine Octahedrite IVA. Image Credit: André Moutinho

Fragment of the Casimiro de Abreu meteorite classified as a IIIAB Medium Octahedrite. Image Credit: André Moutinho

Fragment of the Barbacena meteorite, in which it was not classified in any chemical group. Image Credit: André Moutinho

Transmitted Light Region of unusual silicates in the Bocaiúva meteorite, which makes it impossible to classify Bocaiúva in existing metal groups. Image Credit: M. E. Zucolotto

Transmitted Light Region of unusual silicates in the Bocaiúva meteorite, which makes it impossible to classify Bocaiúva in existing metal groups. Image Credit: M. E. Zucolotto

Fragment of the Bocaiúva meteorite, not grouped due to its peculiar characteristic, such as the presence of unusual silica inclusions in its kamacite matrix. Image Credit: André Moutinho

Backscattered electron image (compo) 20KeV - 20nA Schreibersite crystal embedded in kamacite. Lighter area of taenite. Image Credit: Amanda Tosi

Backscattered electron image (compo) 20KeV - 20nA Schreibersite crystal embedded in kamacite. Image Credit: Amanda Tosi

Backscattered electron image (compo) 20KeV - 20nA EDS analysis of Fe (green) and Ni (yellow). Lighter region is richer in Ni formed by the taenite phase. Image Credit: Amanda Tosi