NWA 13933 (13,883 g)

Northwest Africa 13933 (NWA 13933)
(Northwest Africa)
Purchased: March, 2021
Classification: Carbonaceous chondrite (CVox3)
History: The meteorite was purchased from a dealer in Morocco.
Physical characteristics: Dark-grayish rock without fusion crust.
Petrography: Carbonaceous chondrite composed of chondrules (mean diameter about 0.9 mm; up to 2 mm sized), CAIs (up to 4 mm sized), and olivine amoeboids all set into a fine-grained fresh appearing dark grayish matrix. Contains type I and type II chondrules. Opaque phases are abundant Ni-rich sulfides and very rare metal and troilite.
Geochemistry: Ni in sulfides 19.4±0.2 wt%, N=7
Classification: Carbonaceous chondrite (CVox3). Oxidized subgroup based on high concentrations of Ni in sulfide (Gattacceca et al., 2020).
 
Place of purchase:
Morocco
Date:
P March, 2021
Mass (g):
298
Pieces:
1
Class:
CVox3
Shock stage:
S1
Weathering grade:
low
Fayalite (mol%):
10.5±12.9 (1.0-43.1, n=15)
Ferrosilite (mol%):
1.0±0.1 (0.9-1.2, n=13)
Wollastonite (mol%):
1.6±1.1 (0.9-3.9, n=13)
Magnetic suscept.:
4.07
Classifier:
A. Greshake, MNB
Type spec mass (g):
24.9
Type spec location:
MNB
Main mass:
Hanno Strufe
Comments:
Submitted by Ansgar Greshake