NWA 8594 Eucrite Meteorite Part Slice weighing 1.06g
£35.50
In stock
NWA 8594 Eucrite Meteorite Part Slice weighing 1.06g
Comes in a foam padded Gem jar.
Northwest Africa 8594 | |||||
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Basic information | Name:Â Northwest Africa 8594 This is an OFFICIAL meteorite name. Abbreviation:Â NWA 8594 Observed fall:Â No Year found:Â 2014 Country:Â (Northwest Africa) Mass:Â 138 g | ||||
Classification history: |
This is 1 of 143 approved meteorites classified as Eucrite-mmict. | ||||
Comments: | Approved 30 Oct 2014 | ||||
Writeup | Writeup from MB 103: Northwest Africa 8594 (NWA 8594) (Northwest Africa) Purchased: 2014 Jan Classification: HED achondrite (Eucrite, monomict) History: Purchased by F. Kuntz in January 2014 from a dealer in Rissani, Morocco. Petrography: (A. Irving and S. Kuehner, UWS) Monomict breccia composed of ophitic-textured basaltic eucrite clasts and related debris. Pyroxenes are compositionally zoned; other minerals include calcic plagioclase, silica polymorph, ilmenite, troilite and stained Ni-free metal. Geochemistry: Pigeonite (cores Fs33.9-35.2Wo7.1-5.0, FeO/MnO = 27-32; rims Fs 61.1-63.4Wo6.6-4.0, FeO/MnO =30), subcalcic augite (Fs46.9Wo25.6, FeO/MnO = 30), augite (Fs32.6Wo42.2, FeO/MnO = 34). Classification: Eucrite (monomict breccia). Specimens: 20.78 g including one polished thick section at PSF; main mass with Kuntz. |