ON OFFER COMPLETE INDIVIDUAL SPECIMEN
NWA 12537 Eucrite genomict breccia
GENOMICT BRECCIA EUCRITE
Discovered and purchased on July 2018 in Algeria
Classified by world renowned and profoundly respected
Anthony J. Irving and team at University of Washington.
Northwest Africa 12537 this is an official meteorite name
This is a very rare and fresh Eucrite genomict breccia meteorite
EUCRITE GENOMICT BRECCIA
TOTAL YOU WILL GET
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TRULY A BEAUTIFUL MUSEUM QUALITY SHOWPIECE
FRESH FUSION CRUST WITH VELVETY TEXTURE AND TONS OF CONTRACTION CRACKS
OFFICIAL CLASSIFICATION DATA SOURCE:
THE METEORITICAL SOCIETY
INTERNATIONAL SOCIETY FOR METEORITICS AND PLANETARY SCIENCE
LUNAR AND PLANETARY INSTITUTE
METEORITICAL BULLETIN DATABASE
Northwest Africa 12537
Basic information Name: Northwest Africa 12537
This is an OFFICIAL meteorite name.
Abbreviation: NWA 12537
Observed fall: No
Year found: 2018
Country: (Northwest Africa)
Mass:help 36 g
This is 1 of 160 approved meteorites classified as Eucrite-br.
Comments: Approved 5 Apr 2019
Writeup from MB 108:
Northwest Africa 12537 (NWA 12537)
Purchased: 2018 Jul
Classification: HED achondrite (Eucrite, brecciated)
History: Purchased by Mbark Arjdal in July 2018 from an Algerian dealer.
Petrography: (A. Irving and S. Kuehner, UWS) Breccia composed of closely-packed eucrite clasts in a very sparse matrix (~2 vol.%). The clasts exhibit two very different textures: fine-grained ophitic and very fine-grained granulitic with larger pyroxene and plagioclase relics. Minerals are unexsolved pigeonite (of the same color in both lithologies), anorthite, silica polymorph, ilmenite and troilite.
Geochemistry: Pigeonite (Fs51.4-53.0Wo14.0-11.0, FeO/MnO = 32-35, N = 3), anorthite (An90.6-90.8Or0.4, N = 2).
Classification: Eucrite (genomict breccia).
Specimens: 7.3 g including one polished thin section at UWB; remainder with Mr. M. Arjdal.
Place of purchase: Algeria
Date: P 2018 Jul
Mass (g): 36
Shock stage: low
Weathering grade: low
Ferrosilite (mol%): 51.4-53.0
Wollastonite (mol%): 14.0-11.0
Classifier: A. Irving and S. Kuehner, UWS
Type spec mass (g): 7.3
Type spec location: UWB
Main mass: M. Arjdal
Comments: Work name Arj 128; submitted by A. Irving
- Main Mineral/ Name Meteorite
- NWA 12537 GENOMICT BRECCIA EUCRITE
- Mineral Form/ Type Meteorite
- Achondrite Meteorite
- EXTREMELY RARE METEORITE
- 25 g
- Origin (Country)