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NWA 13160 Eucrite Meteorite Part Slice weighing 0.93g


In stock

NWA 13160 Eucrite Meteorite Part Slice weighing 0.93g

Comes in a foam padded Gem jar.


Northwest Africa 13160
Basic informationName: Northwest Africa 13160
This is an OFFICIAL meteorite name.
Abbreviation: NWA 13160
Observed fall: No
Year found: 2019
Country: (Northwest Africa)
Mass: 128.2 g
Recommended:  Eucrite    [explanation]
Comments:Approved 9 Feb 2020

Writeup from MB 109:

Northwest Africa 13160 (NWA 13160)

(Northwest Africa)

Purchased: 2019

Classification: HED achondrite (Eucrite)

History: The meteorite was purchased from a Morrocan dealer at the mineral show in Munich, Germany.

Physical characteristics: Greyish rock with some fusion crust.

Petrography: The meteorite is a fine-grained fragmental breccia composed of basaltic clasts and black melt rock clasts up to 2 mm in size set into a clastic matrix. Basaltic clasts and matrix are dominantly composed of exsolved pyroxene and plagioclase grains up to 900 µm in size. Some pyroxenes show compositional zoning indicating a low degree of thermal metamorphism. Minor phases include silica, FeS, chromite, ilmenite, and metallic iron.

Geochemistry: low-Ca pyroxene: Fs41.0±9.1Wo5.8±1.2 (Fs28.8-53.7Wo3.5-8.1, FeO/MnO=24-30, n=17); Ca-pyroxene: Fs34.4±9.4Wo36.7±6.2 (Fs24.5-48.4Wo26.4-43.5, FeO/MnO=25-29, n=22); calcic plagioclase: An91.6±0.4 (An90.7-92.0, n=12)

Data from:
Table 0
Line 0:
Place of purchase:Munich, Germany
Date:P 2019
Mass (g):128.2
Shock stage:low
Weathering grade:low
Ferrosilite (mol%):41.0; 34.4
Wollastonite (mol%):5.8; 36.7
Classifier:A. Greshake, MNB
Type spec mass (g):23.8
Type spec location:MNB
Main mass:Fabien Kuntz
Comments:Submitted by Ansgar Greshake