NWA 10577 EUC 355g (2)

 Price: 8$/g

 

Northwest Africa 10577 (NWA 10577)

(Northwest Africa)

Purchased: 2015

Classification: HED achondrite (Eucrite)

History: The meteorite was bought in 2015 from a local meteorite dealer in Morocco.

Petrography: The unbrecciated meteorite displays a relatively coarse-grained basaltic texture of exsolved pyroxene and lath-shaped calcic plagioclase with grain sizes of up to 1 mm. Minor phases include chromite, ilmenite and SiO2 polymorphs.

Geochemistry: low-Ca pyroxene: Fs60.5±0.9Wo2.4±0.7 (Fs58.6-62.7Wo1.9-4.6, n=15, FeO/MnO=32-37); Ca-pyroxene: Fs26.5±0.4Wo43.8±0.4 (Fs25.8-27.1Wo43.4-44.7, n=15, FeO/MnO=30-33); calcic plagioclase: An88.3±2 (An81.9-90.4, n=15)

Place of purchase:Morocco

Date:P 2015

Mass (g):1373

Pieces:2

Class:Eucrite

Shock stage:low

Weathering grade:low

Ferrosilite (mol%):60.5; 26.5

Wollastonite (mol%):2.4; 43.8

Classifier:A. Greshake, MNB

Type spec mass (g):31.2

Type spec location:MNB

Main mass:Tomek Jakubowski

Comments:Submitted by Ansgar Greshake

.


[ You may contact me directly at illaenus@gmail.com ]