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Northwest Africa 13026
Basic information Name: Northwest Africa 13026
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13026
Observed fall: No
Year found: 2019
Country: (Northwest Africa)
Mass:help 370 g
Classification
  history:
Recommended:  Ureilite    [explanation]

This is 1 of 518 approved meteorites classified as Ureilite.   [show all]
Search for other: Achondrites, Ureilites
Comments: Approved 1 Jan 2020
Writeuphelp
Writeup from MB 109:

Northwest Africa 13026 (NWA 13026)

(Northwest Africa)

Purchased: 2019

Classification: Ureilite

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

Physical characteristics: Dark brownish rock without fusion crust.

Petrography: The meteorite shows a cumulate texture composed of up to 1 mm sized olivine and pigeonite grains. Olivine displays characteristic reduced rims and the meteorite contains flaky graphite.

Geochemistry: reduced rims in olivine: Fa4.1-7.6; olivine contains 0.48±0.04wt% Cr2O3 and 0.50±0.02 wt% CaO

Data from:
  MB109
  Table 0
  Line 0:
Place of purchase:Erfoud, Morocco
Date:P 2019
Mass (g):370
Pieces:1
Class:Ureilite
Shock stage:low
Weathering grade:low
Fayalite (mol%):21.4±0.5 (n=12)
Ferrosilite (mol%):18.0±0.1 (n=13)
Wollastonite (mol%):7.0±0.1 (n=13)
Classifier:A. Greshake, MNB
Type spec mass (g):20
Type spec location:MNB
Main mass:Harald Stehlik
Comments:Submitted by Ansgar Greshake
Institutions
   and collections
MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
Stehlik: Harald Stehlik, 1220 Wien, Austria (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 109, in preparation (2020)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7100 approved meteorites from (Northwest Africa) (plus 2005 unapproved names)

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