ON OFFER COMPLETE INDIVIDUAL SPECIMEN
NWA 12443 Carbonaceous CV3
Discovered and purchased on July 2018 in Morocco
Classified and studied by world renowned and profoundly respected
Anthony J. Irving and team at University of Washington with many thanks.
Northwest Africa 12443 this is an official meteorite name
This is a very rare and fresh carbonaceous CV3 meteorite
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OFFICIAL CLASSIFICATION DATA SOURCE:
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Northwest Africa 12443
Basic information Name: Northwest Africa 12443
This is an OFFICIAL meteorite name.
Abbreviation: NWA 12443
Observed fall: No
Year found: 2018
Country: (Northwest Africa)
Mass:help 83 g
Recommended: CV3 [explanation]
This is 1 of 496 approved meteorites (plus 1 unapproved name) classified as CV3. [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites
Comments: Approved 27 Jul 2019
Writeup from MB 108:
Northwest Africa 12443 (NWA 12443)
Purchased: 2018 Jul
Classification: Carbonaceous chondrite (CV3)
History: Found by Mohamed Zergou about 26 km E of Tantan on July 25, 2018, and purchased by Mbark Arjdal.
Petrography: (A. Irving and S. Kuehner, UWS) Well-formed granular chondrules (apparent diameter 940±480 µm, N = 23) plus amoeboid fine grained CAI (one composed of wollastonite+andradite+corundum) are set in a very fine-grained matrix (~40 volume%, black in thin section). XRD of a powdered sample show the absence of phyllosilicates.
Geochemistry: Olivine (Fa26.6±25.5 (range Fa0.9-51.8), N = 3), enstatite (Fs1.4±0.1Wo2.3±2.1 (range Fs1.4-1.5Wo0.8-3.8), N = 2), diopside (Fs1.0Wo37.8).
Classification: Carbonaceous chondrite (CV3).
Specimens: 16.9 g including one polished thin section at UWB; remainder with Mr. M. Arjdal.
Place of purchase: Morocco
Date: P 2018 Jul
Mass (g): 83
Shock stage: S2
Weathering grade: low
Fayalite (mol%): 26.6±25.5 (n=3)
Ferrosilite (mol%): 1.4±0.1 (n=2)
Wollastonite (mol%): 2.3±2.1
Classifier: A. Irving and S. Kuehner, UWS
Type spec mass (g): 16.9
Type spec location: UWB
Main mass: M. Arjdal
Comments: Work name Arj18-A3; submitted by A. Irving
and collections UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
UWB: University of Washington, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012)
References: Published in Meteoritical Bulletin, no. 108, in preparation (2019)
Find references in NASA ADS: NASA ADS
Find references in Google Scholar: Google Scholar
Public domain photographs:
A. Irving Added to database 27 Jul 2019
This is 1 of 6812 approved meteorites from (Northwest Africa) (plus 2053 unapproved names)
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- Hauptmineral/ Name Meteorit
- NWA 12443
- Kristallform/ Art Meteorit
- Kohlenstoffhaltiger Chondritmeteorit
- NWA 12443
- 5×4×3 cm
- 43 g
- Herkunft (Land)