强烈变质的金属基质中的橄榄石颗粒帕拉斯石NWA 17579的切片 - 6.34 g - (1)

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由Francesco Moser精选

Northwest Africa 17579 (NWA 17579) (Northwest Africa) Purchased: 2025 Mar Classification: Pallasite History: The meteorite was purchased from a dealer in Temara, Morocco. Physical characteristics: Many brownish, partly rusty fragments. Petrography: The meteorite is predominantly composed of up to 1.1 cm sized rounded to subrounded olivine grains in a strongly altered metal matrix. Only very few kamacite and schreibersite grains were detected. Geochemistry: olivine: Fa12.3±0.1 (Fa12.2-12.4, FeO/MnO=39±2, n=10); kamacite: Ni=6.6±0.1 wt%, Co=0.59±0.03 wt%, n=3 As members of the IMCA (International Association of Meteorite Collectors), we guarantee the authenticity of all our pieces.

编号 100167852

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强烈变质的金属基质中的橄榄石颗粒帕拉斯石NWA 17579的切片 - 6.34 g - (1)

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Northwest Africa 17579 (NWA 17579)

(Northwest Africa)

Purchased: 2025 Mar

Classification: Pallasite

History: The meteorite was purchased from a dealer in Temara, Morocco.

Physical characteristics: Many brownish, partly rusty fragments.

Petrography: The meteorite is predominantly composed of up to 1.1 cm sized rounded to subrounded olivine grains in a strongly altered metal matrix. Only very few kamacite and schreibersite grains were detected.

Geochemistry: olivine: Fa12.3±0.1 (Fa12.2-12.4, FeO/MnO=39±2, n=10); kamacite: Ni=6.6±0.1 wt%, Co=0.59±0.03 wt%, n=3

As members of the IMCA (International Association of Meteorite Collectors), we guarantee the authenticity of all our pieces.