NWA 17579 ( 27,000 g )

Northwest Africa 17579 (NWA 17579)
(Northwest Africa)
Purchased: 2025 Mar
Classification: Pallasite
History: The meteorite was purchased from a dealer in Temara, Morocco.
Physical characteristics: Many brownish, partly rusty fragments.
Petrography: The meteorite is predominantly composed of up to 1.1 cm sized rounded to subrounded olivine grains in a strongly altered metal matrix. Only very few kamacite and schreibersite grains were detected.
Geochemistry: olivine: Fa12.3±0.1 (Fa12.2-12.4, FeO/MnO=39±2, n=10); kamacite: Ni=6.6±0.1 wt%, Co=0.59±0.03 wt%, n=3
 
Place of purchase:
Temara, Morocco
Date:
P 2025 Mar
Mass (g):
1900
Pieces:
many
Class:
Pallasite
Shock stage:
low
Weathering grade:
high
Fayalite (mol%):
12.3
Classifier:
A. Greshake, MNB
Type spec mass (g):
25.5
Type spec location:
MNB
Main mass:
Said Yousfi
Comments:
Submitted by Ansgar Greshake