NWA17845 EUCRITE-BR - 10.72 g - (1)

Africa 17845
Status: Official

Basic information
Name: Northwest Africa 17845 This is an OFFICIAL meteorite name.
Abbreviation: NWA 17845
Fall: Observed: No
Year of discovery: 2023
Country: (Northwest Africa)
Mass: 160 g
Classification history:
Meteorite Bulletin, MB 114 (2025): Eucrite-br
Recommended: Eucrite-br [explanation]

This is 1 of the 272 meteorites approved and classified as Eucrite-br. [show all]
Find others: Condrites, Eucrites and condrites HED
Comments:
Approved on September 14, 2025.
Editorial note
MB 114 Report:
Northwest Africa 17845 (NWA 17845)

(Northwest Africa)

Acquired: 2023

Classification: HED chondrite (Eucrite, brecciated)

History: Salek Mrabih (Dominions Meteorites) bought a 160 g sample together with a batch of ordinary chondrites from a Saharan meteorite dealer in 2023.

Physical characteristics: The exterior of the sample is gray and brown in color, and is partially coated by an eroded fusion crust. The cut surface reveals a brecciated interior composed of mineral fragments, FeNi metal grains and FeS.

Petrography: Description and classification (A. Love, App) The sample shows a cataclastic texture comprised of exsolved, unoriented pyroxenes, plagioclase and grains of metallic FeNi and FeS. Other minerals present include: a silica polymorph, apatite, troilite, chromite, ilmenite and metallic FeNi.

Geochemistry: (A. Love, App) Ca-poor pyroxene (Fs 9.5±1.0 Wo 2.4±0.7, Fe/Mn=29.8±0.6, Mg#=39.1±0.7, n=9); pigeonite (Fs 58.2 Wo 5.1, Fe/Mn=28.4, Mg#=38.7, n=1); Ca-rich pyroxene (Fs 26.5±1.8 Wo 44.3±2.4, Fe/Mn=28.7±1.0, n=10); plagioclase (An 94.0±0.8 Or 0.2±0.3, n=8).

Classification: Description-based classification: HED chondrite (eucrite breccia). Based on the clast grain size, texture and mineral compositions, the sample is a slightly unequilibrated eucrite breccia.

Specimens: Salek Mrabih (Dominions Meteorites) holds the main mass. A polished mount and two slides with a known total weight of 20.1 g are deposited in App.

Data from: MB114
Table 0 Line 0:
Place of purchase: Western Sahara
Date: c. 2023
Mass (g): 160
Pieces: 1
Class: Eucrite-br
Shock stage: Moderate
Weathering grade: Low
Ferro-silicate (mol%): 59.5±1.0; 26.5±1.8
Wollastonite (mol%): 2.4±0.7; 44.3±2.4
Classifier: A. Love, App
Type spec mass (g): 20.1
Type spec location: App
Main mass: Salek Mrabih (Dominions Meteorites)
Comments: Sent by Anthony Love
Institutions and collections
Application: Geological and Environmental Sciences, 572 Rivers St., Appalachian State University, Boone, NC 28608, United States (institutional address; updated 28/04/2026)
Catalogs:
References:
Published in Meteorite Bulletin, No. 114, in preparation (2025)
Find references in NASA ADSLogotype of NASA ADS
Find references in Google ScholarLogotype of Google Scholar
Geography:
Coordinates: Unknown.
Statistics:
This is 1 of 10,632 Northwest Africa meteorites approved (plus 1,820 non-approved names).
See also:
Take a look at what others liked. This list shows the most popular meteorites among people who searched information about this meteorite.
Revision history:
Revision history Here are listed the major revisions made to the data of this registry.