NWA 13265 (12,936 g)
Northwest Africa 13265 (NWA 13265)
Classification: Carbonaceous chondrite (CV3)
History: The meteorite was purchased from a meteorite dealer in Layoune, Western Sahara.
Physical characteristics: Many several cm sized individuals some of which completely covered by fusion crust.
Petrography: Carbonaceous chondrite composed of chondrules (mean diameter about 1 mm; up to 2 mm sized), CAIs (up to 3 mm sized), and olivine amoeboids all set into a fine-grained dark brownish to almost black matrix. Several chondrules show brownish staining due to terrestrial alteration.
Place of purchase: Layoune, West Sahara
Date: P 2019
Mass (g): 700
Shock stage: S1
Weathering grade: moderate
Fayalite (mol%): 10.0±8.7 (0.5-33.1, n=19)
Ferrosilite (mol%): 1.8±0.2 (1.5-2.2, n=18)
Wollastonite (mol%): 1.4±1.1 (0.7-4.1, n=18)
Classifier: A. Greshake, MNB
Type spec mass (g): 22.8
Type spec location: MNB
Main mass: Hanno Strufe
Comments: Submitted by Ansgar Greshake