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NWA 7490 (4,373 g)

NWA 7490 (4,373 g)

Northwest Africa 7490 (NWA 7490)

(Northwest Africa)

Purchased: 2012

Classification: HED achondrite (Diogenite)

Petrography: The meteorite displays a cumulate texture of dominantly large orthopyroxene crystals, subordinate calcic plagioclase, and minor olivine. Accessory minerals include chromite and troilite; no eucrite clasts were found. Orthopyroxene Fs24.1-26Wo3.4-4.6, FeO/MnO=27-33; olivine Fa27.3; plagioclase An82.9, range 77.1-91.6.


Place of purchase:Erfoud, Morocco
Date:P 2012
Mass (g):1050
Shock stage:low
Weathering grade:low
Fayalite (mol%):27.3
Ferrosilite (mol%):24.1-26
Wollastonite (mol%):3.4-4.6
Classifier:Ansgar Greshake, MNB
Type spec mass (g):20.2
Type spec location:MNB
Main mass:Marcin Cimala
Comments:Submitted by Ansgar Greshake



    88,00 €Preis
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