The following work is an attempt to characterize the microstructure of Morasko meteorite with the application of optical microscopy as well as transmission and scanning electron microscopy. Chemical composition was examined with EDS and OES methods. The occurrence of mechanical twins has been detected which is scarce in case of earthly a iron. The groundmass of the examined alloy constitutes a ferronickel (approx. 7% Ni) of A2 lattice. On the surface of metallographic microsection there can be seen Neumann bands and abundance of ferrophosphorus (Fe, Ni)3P.
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