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Northwest Africa 14725
Basic information Name: Northwest Africa 14725
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14725
Observed fall: No
Year found: 2021
Country: (Northwest Africa)
Mass:help 109.6 g
Classification
  history:
Recommended:  CO3    [explanation]

This is 1 of 616 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 19 Mar 2022
Writeuphelp
Writeup from MB 111:

Northwest Africa 14725 (NWA 14725)

(Northwest Africa)

Purchased: 2021 Dec 30

Classification: Carbonaceous chondrite (CO3)

History: The meteorite was purchased from a meteorite dealer in Dakhla, Western Sahara.

Physical characteristics: Brownish rock partly covered with fusion crust.

Petrography: The meteorite is predominantly composed of abundant small chondrules (mean diameter of about 160 μm), CAIs, and mineral fragments set into a fine-grained dark brownish matrix. Opaque phases are partly altered metal and troilite.

Data from:
  MB111
  Table 0
  Line 0:
Place of purchase:Dakhla, Western Sahara
Date:P 2021 Dec 30
Mass (g):109.6
Pieces:1
Class:CO3
Shock stage:S1
Weathering grade:moderate
Fayalite (mol%):21.7±19.2 (0.6-50.6, n=26)
Ferrosilite (mol%):1.8±1.1 (1.0-4.4, n=17)
Wollastonite (mol%):1.4±1.0 (0.8-4.4, n=17)
Classifier:A. Greshake, MNB
Type spec mass (g):22.3
Type spec location:MNB
Main mass:Michel Haak
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:
Geography: 
Coordinates:Unknown.

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

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