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Northwest Africa 6827
Basic information Name: Northwest Africa 6827
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 6827
Observed fall: No
Year found: 2008
Country: (Northwest Africa)
Mass:help 1289 g
Classification
  history:
Meteoritical Bulletin:  MB 107  (2018)  CO3
Recommended:  CO3    [explanation]

This is 1 of 639 approved meteorites (plus 1 unapproved name) classified as CO3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CM-CO clan chondrites, and CO chondrites
Comments: Approved 27 Mar 2018
Writeuphelp
Writeup from MB 107:

Northwest Africa 6827 (NWA 6827)

(Northwest Africa)

Purchased: 2008

Classification: Carbonaceous chondrite (CO3)

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

Physical characteristics: Twenty five brownish fragments lacking any fusion crust.

Petrography: The meteorite shows a dark brownish interior and is composed of abundant small chondrules, CAIs, and mineral fragments set into a fine-grained matrix. Chondrules are dominantly porphyritic type I and have an apparent mean diameter of about 0.2 mm. Some sulfides and FeNi metal are present in matrix and chondrules.

Data from:
  MB107
  Table 0
  Line 0:
Place of purchase:Erfoud, Morocco
Date:P 2008
Mass (g):1289
Pieces:25
Class:CO3
Shock stage:S1
Weathering grade:W1
Fayalite (mol%):16.7±15.0 (1.0-35.5, n=13)
Ferrosilite (mol%):2.7±0.8 (2.0-4.8, n=19)
Wollastonite (mol%):1.0±0.1 (0.7-1.2, n=19)
Classifier:A. Greshake, MNB
Type spec mass (g):20.4
Type spec location:MNB
Main mass:Stefan Ralew
Comments:Submitted by Ansgar Greshake
Institutions
   and collections		 MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
Ralew: Stefan Ralew, Kunibertstraße 29, 12524 Berlin, Germany; Website (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 107, MAPS 55, 460-462
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)
John A. Shea   
Piotr gural100   
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9305 approved meteorites from (Northwest Africa) (plus 1873 unapproved names)

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