NWA 13066 (8,380 g)

Northwest Africa 13066 (NWA 13066)
(Northwest Africa)
Purchased: 2019
Classification: Carbonaceous chondrite (CO3)
History: The meteorite was purchased from a meteorite dealer in Morocco.
Physical characteristics: Dark brownish rock without fusion crust.
Petrography: The meteorite shows a dark brownish interior and is composed of abundant small chondrules, CAIs (up to 500 µm), and mineral fragments some of which surrounded by fine-grained dust rims set into a fine-grained black matrix. Chondrules have a mean diameter of about 0.2 mm; few regions show brownish staining due to terrestrial weathering. Opaque minerals are sulfide and Fe,Ni metal.
 
Place of purchase:
Morocco
Date:
P 2019
Mass (g):
144
Pieces:
1
Class:
CO3
Shock stage:
S1
Weathering grade:
low
Fayalite (mol%):
17.9±19.7 (1.3-57.3, n=12)
Ferrosilite (mol%):
1.4±0.5 (1.0-2.2, n=12)
Wollastonite (mol%):
0.8±0.1 (0.7-1.0, n=12)
Classifier:
A. Greshake, MNB
Type spec mass (g):
21.2
Type spec location:
MNB
Main mass:
Philippe Schmitt-Kopplin
Comments:
Submitted by Ansgar Greshake