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The never-ending discovery of Meteorites, brought to you by {name}

Francesco Moser

Northwest Africa 14131 (NWA 14131)

Purchased: 2021 May

Classification: HED achondrite (Eucrite)

 History: The meteorite was purchased from a group of meteorites hunters in Nouadhibou, Mauritania in May, 2021.

 Physical characteristics: Many dark grayish fragments some of which almost completely covered with fusion crust.

 Petrography: The meteorite is a coarse-grained breccia composed of up to 6 mm sized basaltic clasts and up to 2 mm sized mineral fragments set in fine-grained clastic matrix. Mineral phases are predominantly exsolved pyroxene and mostly blocky calcic plagioclase grains. Minor phases include silica, chromite, ilmenite, fayalite, and troilite. No metallic iron has been detected.

 Geochemistry: low-Ca pyroxene: Fs63.5±0.7Wo2.9±1.1 (Fs62.2-64.1Wo1.6-4.8, FeO/MnO=29-31, n=5); Ca-pyroxene: Fs30.8±0.5Wo42.5±0.8 (Fs30.4-31.8Wo41.4-43.7, FeO/MnO=27-30, n=5); calcic plagioclase: An82.1±7.9 (An71.1-91.3, n=5).

Shock stage:	moderate
Weathering grade:	low
Classifier: A. Greshake, MNB.

This lot comes with certificate of authenticity. 
Thanks for your interest. 

Meteorite NWA 14131. HED, Eucrite - 7.53 g - (1)

Minerals & Meteorites

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Period

Paleogene, Eocene (56 - 33.9 million years)

2020+

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Cretaceous, Lower (145 - 100.5 million years)

Neogene, Miocene (23.03 - 5.33 million years)

Silurian (443.8 - 419.2 million years)

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Paleogene, Oligocene (33.9 - 23.03 million years)

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Mesozoic (251.9 - 66 million years)

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Meteorite NWA 14131. HED, Eucrite - 7.53 g - (1)

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