NWA 17500 Chondrite Meteorite - 2682 g - (1)

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Northwest Africa 17500
Status: Official

Basic information
Name: Northwest Africa 17500 This is an OFFICIAL meteorite name.
Abbreviation: NWA 17500
Fall: Observed: No
Year of discovery: 2024
Country: Mauritania
Mass: 7 kg
Classification history:
Meteorite Bulletin, MB 114 (2026): L6
Recommended: L6 [explanation]

This is 1 of 13662 approved meteorites (plus 11 unapproved names) classified as L6. [show all]
Find others: Condrites L , Condrites L (type 4-7) , Ordinary chondrites and Ordinary chondrites (type 4-7)
Comments:
Approved on March 27, 2025.
Editorial staff
MB 114 Report:
Northwest Africa 17500 (NWA 17500)

Mauritania

Search: 2024

Classification: Ordinary chondrite (L6)

History: The meteorite was found during a desert journey.

Petrography: (J. Garcia, ADARA) The thin section shows a chondritic texture consisting of chondrules that are extremely difficult to discern up to 610 ± 192 µm (n = 4), fragments of chondrules and mineral clasts in a recrystallized matrix. Olivine is zoned and shows undulose extinction, with planar and irregular fractures. FeNi (primarily as fusion veins) and sulfides are observed. The feldspar grain size is > 50 µm.

Geochemistry: Olivine Fa 24.1±0.3 (n=7); Low-Ca pyroxene Fs 20.1±0.1 Wo 1.6±0.2 (n=5).

Classification: Ordinary chondrite L6, S3, W2.

Specimens: Type specimen at MUNA. 10 g plus 1 polished thin section at ADARA. The remaining mass with Salek Mrabih (Dominions Meteors).

Data from MB114
Table 0 Line 0:
Origin or Pseudonym: Desert
Date: 2024
Mass (g): 7000
Pieces: 1
Class: L6
Shock stage: S3
Weathering grade: W2
Fayalite (mol%): 24.1±0.3
Ferrosilite (mol%): 20.1±0.1
Wollastonite (mol%): 1.6±0.2
Magnetic susceptibility: 4.58
Classifier: Jose Garcia, ADARA
Specimen mass (g): 20
Specimen location: MUNA
Main mass: Salek Mrabih (Dominions Meteors)
Comments: Title SM 24-02; submitted by Jose Garcia
Institutions and collections
ADARA : ADARA Petrografía y Curación de Astromateriales, Calle Dr. Joaquín Artiles, 36, AP 3. Agüimes, 35260, Las Palmas, Canary Islands, Spain; Website (institutional address; updated 2025-05-19)
MUNA : Museo de la Naturaleza y Arqueología. Fuente Morales, 1. 38003 Santa Cruz de Tenerife (Tenerife, Spain), Spain; Website (institutional address; updated 2024-02-03)
Catalogs:
References:
Published in Gattacceca J., Grossman JN, Weisberg MM, Greshake A., Almeida NV, Cartier C., Friedrich JM, Goodrich C., Joy KH, Schönbächler M., Schrader DL, Yabuta H. and Zhang B. (2026) The Meteoritical Bulletin, No. 114. Meteoritics & Planetary Science 61, 942–946.
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Photos:
Credit Photos
Public domain photographs:
José García Added to the database on March 27, 2025. Added to the database on March 27, 2025. Added to the database on March 27, 2025. Added to the database on March 27, 2025. Added to the database on March 27, 2025.
Geography:
Country: Mauritania.
Coordinates: Unknown.
Statistics:
This is 1 of 365 approved meteorites from Mauritania (plus 3 unapproved names) (plus 2 impact craters).
See also:
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Revision history:
Revision history Here are listed the major revisions made to the data of this record.
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