Nwa 15027 Mesosiderite Meteorite ~ 50 Gram From Outer Space

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Venditore: top-mark-meteorites ✉️ (370) 100%, Luogo in cui si trova l'oggetto: Newtownabbey, GB, Spedizione verso: WORLDWIDE, Numero oggetto: 325573331383 NWA 15027 MESOSIDERITE METEORITE ~ 50 GRAM FROM OUTER SPACE. Northwest Africa 15027 (NWA 15027). Northwest Africa 15027. Abbreviation: NWA 15027. Fayalite (mol%): 27.2-30.1. Ferrosilite (mol%): 28.0-36.1. Wollastonite (mol%): 1.5-3.4. Kamacite (typically altered to Fe oxides) is distributed irregularly. NWA 15027  MESOSIDERITE BRECCIA METEORITE   FOUND IN JANUARY 2022 IN NIGER   50 GRAM     GUARANTEED AUTHENTICITY  YOU ARE BUYING A 100%  GUARANTEED AUTHENTIC METEORITE COMBINED WITH A SIGNED CERTIFICATE OF AUTHENTICITY 

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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
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Northwest Africa 15027
Basic information Name:   Northwest Africa 15027      This is an OFFICIAL meteorite name. Abbreviation:   NWA 15027 Observed fall:  No Year found:  2022 Country:  Niger Mass:   985 g
Classification   history:
Recommended:   Mesosiderite
Comments: Approved 4 Mar 2023
Writeup Writeup from MB 112:

Northwest Africa 15027 (NWA 15027)

Niger

Purchased: 2022 Jan

Classification: Mesosiderite

History: Found in Niger and purchased by Mbark Arjdal in January 2022 from a dealer in Niger.

Petrography: (A. Irving,  UWS   and P. Carpenter,  WUSL ) This specimen is a heterogeneous breccia containing sporadic larger, polygranular aggregates of olivine (up to 7 by 8 mm in size) and smaller clasts of anorthite in a matrix composed in some places of intergrown orthopyroxene and anorthite with minor silica polymorph and in other places composed of intergrown metal and orthopyroxene. Kamacite (typically altered to Fe oxides) is distributed irregularly. The original metal content is estimated to ~40 vol%. Accessory phases include troilite, Al-Mg-rich chromite and merrillite. Cross-cutting veinlets of secondary Fe hydroxides are present.

Geochemistry: Orthopyroxene (Fs28.0-28.8Wo1.5-2.1; Fs35.4-36.1Wo3.2-3.5; FeO/MnO = 26-29; N = 4), olivine (Fa27.2-30.1, FeO/MnO = 41-43, N = 6), anorthite (An90.2-93.6Or0.2, N = 3).

Classification: Mesosiderite (breccia).

Specimens: 23.0 g including a polished mount at  UWB ; remainder with Mr. M. Arjdal.

Data from:   MB112   Table 0   Line 0:
Place of purchase: Niger
Date: P 2022 Jan
Mass (g): 985
Pieces: many
Class: Mesosiderite
Shock stage: low
Weathering grade: moderate
Fayalite (mol%): 27.2-30.1
Ferrosilite (mol%): 28.0-36.1
Wollastonite (mol%): 1.5-3.4
Classifier: A. Irving, UWS, and P. Carpenter, WUSL
Type spec mass (g): 23.0
Type spec location: UWB
Main mass: M. Arjdal
Comments: Work name Arj ZM 811; submitted by A. Irving
Institutions    and collections UWS : University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012) WUSL : Washington Univ., One Brookings Drive, St. Louis, MO 63130, United States (institutional address; updated 17 Oct 2011) UWB : University of Washington, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012)
Catalogs:
References: Published in Meteoritical Bulletin, no. 112, in preparation (2023)
Find references in NASA ADS:
Find references in Google Scholar:
Photos:
CreditPhotos
Public domain photographs:
A. Irving   
Geography:
Coordinates: Unknown.
Statistics:      This is 1 of 105 approved meteorites from  Niger   (plus 5 unapproved names)
Also see:   This lists the most popular meteorites among people who looked up this meteorite.
Revision   history:   This lists important revisions made to data for this record.
  • Sub-Type: Iron Meteorites
  • Type: Meterorites/ Tektites
  • Shape: Natural
  • Country/Region of Manufacture: Niger
  • Finish: Polished

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