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Northwest Africa 6848
Basic information Name: Northwest Africa 6848
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 6848
Observed fall: No
Year found: 2011
Country: (Northwest Africa)
Mass:help 390 g
Classification
  history:
Recommended:  R5-6    [explanation]

This is the only approved meteorite classified as R5-6.
Search for other: Rumuruti chondrites, Rumuruti chondrites (type 4-7)
Comments: Approved 12 Mar 2019
Writeuphelp
Writeup from MB 108:

Northwest Africa 6848 (NWA 6848)

(Northwest Africa)

Purchased: 2011

Classification: R5-6

History: The meteorite was purchased in 2011 from a local meteorite dealer in Erfoud, Morocco.

Physical characteristics: Many small fragments partly to completely covered with fusion crust

Petrography: The meteorite is a breccia with up to 6 mm sized light coloured lithic fragments of petrological type 5 set into a fine-grained clastic groundmass of type 6. Ferroan olivine is the dominant mineral phase in clasts and matrix. Minor phases include albitic feldspar, low-Ca pyroxene, chromite, pentlandite and pyrrhotite. FeNi metal is virtually absent.

Data from:
  MB108
  Table 0
  Line 0:
Place of purchase:Erfoud, Morocco
Date:P 2011
Mass (g):390
Pieces:many
Class:R5-6
Shock stage:S4
Weathering grade:W1
Fayalite (mol%):38.1±0.2 (n=14)
Ferrosilite (mol%):28.9±0.4 (n=12)
Wollastonite (mol%):1.6±0.2 (n=12)
Classifier:A. Greshake, MNB
Type spec mass (g):21.8
Type spec location:MNB
Main mass:Hanno Strufe
Comments:Submitted by Ansgar Greshake
Institutions
   and collections
MNB: Museum für Naturkunde, Invalidenstrasse 43, D-10115 Berlin, Germany (institutional address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 108, in preparation (2019)
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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Achim Sven Faforke         
Dirk Hohmann            
Gregor H.   
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 6730 approved meteorites from (Northwest Africa) (plus 2025 unapproved names)

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