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Northwest Africa 5584
Basic information Name: Northwest Africa 5584
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 5584
Observed fall: No
Year found: 2008
Country: (Northwest Africa)
Mass:help 116 g
Classification
  history:
Recommended:  R3    [explanation]

This is 1 of 63 approved meteorites classified as R3.   [show all]
Search for other: Rumuruti chondrites, Rumuruti chondrites (type 3)
Comments: Approved 19 Mar 2022
Writeuphelp
Writeup from MB 111:

Northwest Africa 5584 (NWA 5584)

(Northwest Africa)

Purchased: 2008

Classification: Rumuruti chondrite (R3)

History: The meteorite was purchased from a local meteorite dealer in Agadir, Morocco.

Physical characteristics: Three brownish fragments without fusion crust.

Petrography: The meteorite shows an unbrecciated dark brownish interior with well defined partly flattened chondrules (mean diameter about 400 µm) and individual mineral fragments in a matrix dominated by Fe-rich olivine. Olivine and low-Ca-pyroxene ae frequently compositionally zoned. Minor phases are Ca-pyroxene, sodic plagioclase, chromite, and sulfides; no metal detected.

Geochemistry: olivine: Fa23.3±16.1 (Fa0.6-36.4, n=21); low-Ca pyroxene: Fs18.5±6.9Wo0.7±0.4 (Fs10.2-28.9Wo0.2-1.2, n=11); Ca-pyroxene: Fs5.7±0.6Wo37.6±1.9 (Fs4.9-6.7Wo35.2-39.4, n=5)

Data from:
  MB111
  Table 0
  Line 0:
Place of purchase:Agadir, Morocco
Date:P 2008
Mass (g):116
Pieces:3
Class:R3
Shock stage:S2
Weathering grade:W2
Fayalite (mol%):23.3
Ferrosilite (mol%):18.5; 5.7
Wollastonite (mol%):0.7; 37.6
Classifier:A. Greshake, MNB
Type spec mass (g):21.5
Type spec location:MNB
Main mass:Carsten Giessler
Comments:Submitted by Ansgar Greshake
Institutions
   and collections
MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
Catalogs:
References: Published in Meteoritical Bulletin, no. 111, in preparation (2022)
Find references in NASA ADS:
Find references in Google Scholar:
Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
André Knöfel Photo added 20 Oct 2022
Charley Kettel Photo added 20 Oct 2022
Corey Kuo Photo added 20 Oct 2022
Jean-Michel Masson   
Photo added 20 Oct 2022
Mirko Graul Photo added 20 Oct 2022
Solar Anamnesis      
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 8745 approved meteorites from (Northwest Africa) (plus 1880 unapproved names)

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