NWA 12537 Achondrit Meteorit - 5×3×2 cm - 25 g - (1)

Beschreibung
NWA 12537 Achondrit Meteorit - 5×3×2 cm - 25 g - (1)
Algerien

This unique Officially Classified meteorite
NWA 12537 Eucrite genomict breccia
Was recently found and purchased on July 2018 from an Algerian dealer
In Algeria and 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 very rare and fresh Eucrite genomict breccia meteorite
On offer complete individual specimen of 25 gram fresh, crusted and beautiful
With flight marked primary fusion crust


NWA 12537
EUCRITE GENOMICT BRECCIA
TOTAL : 25 GRAM

GUARANTEED AUTHENTICITY
The authenticity of this meteorite has a 100% guarantee.

Signed Certificate of Authenticity Included. First class delivery and provenance provided.

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
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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
Classification
history:
Recommended: Eucrite-br

This is 1 of 160 approved meteorites classified as Eucrite-br.

Comments: Approved 5 Apr 2019
Writeuphelp
Writeup from MB 108:
Northwest Africa 12537 (NWA 12537)
(Northwest Africa)
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.
Data from:
MB108
Table 0
Line 0:
Place of purchase: Algeria
Date: P 2018 Jul
Mass (g): 36
Pieces: 1
Class: Eucrite-br
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

Los-Details
Stückzahl
1
Hauptmineral/ Name Meteorit
NWA 12537
Kristallform/ Art Meteorit
Achondrit Meteorit
Ergänzung
NWA 12537
Abmessungen
5×3×2 cm
Gewicht
25 g
Herkunft (Land)
Algerien
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