NWA 13933 (13,883 g)
Northwest Africa 13933 (NWA 13933)
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|
|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)|
|Classifier:||A. Greshake, MNB|
|Type spec mass (g):||24.9|
|Type spec location:||MNB|
|Main mass:||Hanno Strufe|
|Comments:||Submitted by Ansgar Greshake|