header
  MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 26 May 2022
Search for: Search type: Search limits: Display: Publication:
Names
Text help
Places
Classes
Years
Contains
Starts with
Exact
Sounds like
NonAntarctic
Falls  Non-NWAs
What's new
  in the last:
Limit to approved meteorite names
Search text:  
Northwest Africa 4233
Basic information Name: Northwest Africa 4233
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 4233
Observed fall: No
Year found: 2004
Country: (Northwest Africa)
Mass:help 444 g
Classification
  history:
Meteoritical Bulletin:  MB 91  (2007)  IAB complex
Recommended:  Iron, IAB complex    [explanation]

This is 1 of 77 approved meteorites (plus 1 unapproved name) classified as Iron, IAB complex.   [show all]
Search for other: IAB complex irons, Iron meteorites, and Metal-rich meteorites
Comments: Approved 1 Sep 2006
Writeuphelp
Writeup from MB 91:

Northwest Africa 4233

Morocco

Find: 2004

Iron (IAB complex)

History: A single iron mass was purchased at the Hamburg Mineral Fair, Germany, from a Moroccan dealer in 2004. Physical characteristics: The 444 g mass has an angular shape. One side reflects the Widmanstätten structure, because rust veins follow those structure elements.

Petrography: (J. Schlüter, Ham) The bandwidth of kamacite lamellae is 0.5 mm. Rare inclusions of schreibersite. Geochemistry: (B. Spettel, Mainz) Composition of the metal (INAA) is Co = 4.82, Ni = 123 (both mg/g); Ga = 26.8, Ge = 45.0, As = 13.5, Ir = 1.38, Au = 1.74 (all as µg/g).

Classification: Iron meteorite (IAB), fine octahedrite.

Type specimen: A total of 22.4 g sample is on deposit at Hamb. Gren holds the main mass.

Data from:
  MB91
  Table 2
  Line 234:
Date:2004
Mass (g):444
Pieces:1
Class:IAB
Classifier:J. Schlüter, Ham
Type spec mass (g):22.4
Type spec location:Ham
Main mass:Gren
Institutions
   and collections
Hamb: Mineralogisches Museum, Universität of Hamburg, Grindelallee 48, D-20146 Hamburg, Germany; Website (institutional address; updated 22 Feb 2013)
Gren: Andreas Gren, Hamburg, Germany (private address)
Ham: Mineralogisches Museum, Universität of Hamburg, Grindelallee 48, D-20146 Hamburg, Germany; Website (institutional address; updated 22 Feb 2013)
Mainz: Max-Planck-Institut für Chemie, Abteilung Kosmochemie, Postfach 3060, D-55020 Mainz, Germany; Website (institutional address; updated 7 Nov 2015)
Catalogs:
References: Published in Meteoritical Bulletin, no. 91, MAPS 42, 413-466 (2007)
Find references in NASA ADS:
Find references in Google Scholar:
Photos:
CreditPhotos
Photos from the Encyclopedia of Meteorites:
Andreas Gren   
Don Edwards   
Polandmet   
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Mirko Graul Photo added 19 Apr 2022
Photo added 19 Apr 2022
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 8420 approved meteorites from (Northwest Africa) (plus 1900 unapproved names)

Direct link to this page