NWA 6834 ( 4,171 g )

Northwest Africa 6834 (NWA 6834)
(Northwest Africa)
Purchased: 2010
Classification: Ordinary chondrite (H7)
History: The meteorite was purchased from a local meteorite dealer in Erfoud, Morocco.
Physical characteristics: Brownish fragment without fusion crust.
Petrography: The meteorite displays a completely recrystallized texture of dominantly olivine and orthopyroxene grains, the latter with relativey high Wo-contents. 120 degree triple junctions are present. Plagioclase grains are up to 100 μm in size. No chondrules observed. Abundant Fe,Ni metal and troilite.
 
Place of purchase:
Erfoud, Morocco
Date:
P 2010
Mass (g):
285
Pieces:
1
Class:
H7
Shock stage:
moderate
Weathering grade:
low
Fayalite (mol%):
19.2±0.1 (n=10)
Ferrosilite (mol%):
17.0±0.1 (n=11)
Wollastonite (mol%):
3.7±0.3 (n=11)
Classifier:
A. Greshake, MNB
Type spec mass (g):
21.6
Type spec location:
MNB
Main mass:
Hanno Strufe
Comments:
Submitted by Ansgar Greshake