NWA 8089 ( 0,424 g )

Northwest Africa 8089 (NWA 8089)
(Northwest Africa)
Purchased: 2013 July
Classification: Carbonaceous chondrite (CM2)
Petrography: (A. Greshake, MNB) The small almost black stones are composed of small (about 0.3 mm in diameter) chondrules and rare CAIs set into a dark matrix of mainly phyllosilicates. Matrix dominates over chondrules, CAIs, and rare Fe,Ni-metal grains and most chondrules and CAIs are surrounded by fine-grained accretionary rims.
 
Place of purchase:
Erfoud, Morocco
Date:
P 2013 July
Mass (g):
13
Pieces:
17
Class:
CM2
Shock stage:
moderate
Weathering grade:
moderate
Fayalite (mol%):
8.4±11.4 (0.7-34.2, n=19)
Ferrosilite (mol%):
2.4±2 (0.7-6.5, n=21)
Classifier:
A. Greshake, MNB
Type spec mass (g):
2.8
Type spec location:
MNB
Main mass:
Hanno Strufe
Comments:
Submitted by Ansgar Greshake