NWA 17850 ( 17,890 g )

Northwest Africa 17850 (NWA 17850)
(Northwest Africa)
Purchased: 2025 Jun
Classification: Ordinary chondrite (L3)
History: The meteorite was purchased from a Moroccan dealer on the meteorite fair in Ensisheim, France.
Physical characteristics: Brownish rock with some fusion crust.
Petrography: The meteorite shows a chondritic texture with well-defined, mostly rounded, partly packed chondrules (mean diameter about 0.7 mm) in a fine-grained dark brownish matrix that contains mostly altered sulfides and FeNi metal.
 
Place of purchase: Ensisheim, France
Date: P 2025 Jun
Mass (g): 280
Pieces: 1
Class: L3
Shock stage: S1
Weathering grade: W2
Fayalite (mol%): 14.9±9.1 (0.8-37.0, n=25)
Ferrosilite (mol%): 11.9±8.0 (1.3-27.2, n=20)
Wollastonite (mol%): 0.9±0.4 (0.3-1.8, n=20)
Magnetic suscept.: 4.42
Classifier: A. Greshake, MNB
Type spec mass (g): 33.9
Type spec location: MNB
Main mass: Hanno Strufe
Comments: Submitted by Ansgar Greshake