ON OFFER A COMPLETE INDIVIDUAL CO3 CARBONACEOUS METEORITE
Officially classified and approved as NWA 12832 Carbonaceous CO3.
YOU ARE BUYING 100% A GUARANTEED AUTHENTIC METEORITE OF NWA 12832 CARBONACEOUS CO3
Total weight you will get is 233 gram combined with a signed Certificate of authenticity and classification certificate of
NWA 12832 Carbonaceous CO3.
Discovered and purchased on July 2018 in Zouerat, Mauritania
Classified and approved by world renowned and profoundly respected
Dr Anthony J. Irving and team at University of Washington.
The authenticity of this meteorite has a 100% guarantee.
Signed Certificate of Authenticity Included.
First express class delivery and provenance provided.
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OFFICIAL CLASSIFICATION DATA SOURCE:
THE METEORITICAL SOCIETY
INTERNATIONAL SOCIETY FOR METEORITICS AND PLANETARY SCIENCE
LUNAR AND PLANETARY INSTITUTE
METEORITICAL BULLETIN DATABASE
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Northwest Africa 12832
Basic information Name: Northwest Africa 12832
This is an OFFICIAL meteorite name.
Abbreviation: NWA 12832
Observed fall: No
Year found: 2018
Country: (Northwest Africa)
Mass:help 997 g
Recommended: CO3 [explanation]
This is 1 of 531 approved meteorites classified as CO3. [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CM-CO clan chondrites, and CO chondrites
Comments: Approved 11 Oct 2019
Writeup from MB 108:
Northwest Africa 12832 (NWA 12832)
Classification: Carbonaceous chondrite (CO3)
History: Purchased in 2018 in Zouerat, Mauritania.
Petrography: (A. Irving, UWS and P. Carpenter, WUSL) Small well-formed chondrules (apparent diameter 170 ± 100 µm, N = 20), mineral fragments and fine grained CAI are set in a much finer grained matrix (red-brown in thin section, ~40 vol.%).
Geochemistry: Olivine (Fa24.0±24.6 (range Fa0.7-52.3), N = 4; Cr2O3 in ferroan examples 0.13-0.33 wt.%, mean 0.23 wt.%, N = 2), low-Ca pyroxene (Fs6.0±5.5Wo1.1±0.4 (range Fs5.1-11.8Wo0.8-1.6), N = 3), augite (Fs7.3±2.7Wo36.4±0.3 (range Fs5.4-9.2Wo36.2-36.6), N = 2), diopside (Fs1.1Wo38.3), anorthite (An99.0Or0.0).
Classification: Carbonaceous chondrite (CO3).
Specimens: 23.8 g including one polished thin section at UWB; remainder with Mr. M. Arjdal.
Place of purchase: Zouerat
Date: P 2018
Mass (g): 997
Shock stage: S2
Weathering grade: moderate
Fayalite (mol%): 24.0±24.6
Ferrosilite (mol%): 6.0±5.5
Wollastonite (mol%): 1.1±0.4
Classifier: A. Irving, UWS, and P. Carpenter, WUSL
Type spec mass (g): 23.8
Type spec location: UWB
Main mass: M. Arjdal
Comments: Work name Arj Z19; 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)
WUSL: Washington Univ., One Brookings Drive, St. Louis, MO 63130, United States (institutional address; updated 17 Oct 2011)
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
This is 1 of 7098 approved meteorites from (Northwest Africa) (plus 2005 unapproved names)
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- Main Mineral/ Name Meteorite
- CLASSIFIED & APPROVED AS CO3 CARBONACEOUS METEORITE
- Mineral Form/ Type Meteorite
- Carbonaceous Chondrite Meteorite
- 233 g
- Origin (Country)