Ordinary chondrites DaG 610 and NWA 869, as well as graphite nodules from Canyon Diablo iron meteorites were investigated by confocal Raman microspectroscopy in order to identify extraterrestrial minerals. Olivines, orthopyroxenes (enstatite, bronzite and hyperstene), clinopyroxenes (pigeonite), plagioclase, troilite and various carbon phases, mainly graphite and diamond have been identified and characterized.
Odessa iron meteorite was investigated with scanning electron microscopy (SEM), Raman spectroscopy and X-ray diffraction (XRD) techniques. The research has shown the existence of minerals such as schreibersite, troilite, taenite, kamacite, cohenite, graphite and diamond in the examined sample. Raman spectroscopy allowed to identify different allotropic forms of carbon, which is diamond and graphite with different levels of order.
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