This unique outer space specimen is Officially Classified Meteorite
Name: Northwest Africa 12629 this is an official meteorite name.
It was recently found in Mauritania, purchased on Jul 2018 and classified by world renowned and profoundly respected Dr Anthony J. Irving and team at University of Washington.
YOU ARE BIDDING ON NWA 12629 L4 CHONDRITE METEORITE
TOTAL : 1187 GRAM
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First express class delivery and provenance provided.
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TRULY A BEAUTIFUL MUSEUM QUALITY SHOWPIECE
FRESH FUSION CRUST WITH VELVETY TEXTURE AND TONS OF CONTRACTION CRACKS
OFFICIAL CLASSIFICATION DATA SOURCE:
THE METEORITICAL SOCIETY
INTERNATIONAL SOCIETY FOR METEORITICS AND PLANETARY SCIENCE
LUNAR AND PLANETARY INSTITUTE
METEORITICAL BULLETIN DATABASE
Northwest Africa 12629
Basic information Name: Northwest Africa 12629
This is an OFFICIAL meteorite name.
Abbreviation: NWA 12629
Observed fall: No
Year found: 2018
Country: (Northwest Africa)
Mass:help 3.9 kg
Comments: Approved 11 May 2019
Writeup from MB 108:
Northwest Africa 12629 (NWA 12629)
Purchased: 2018 Jul
Classification: Ordinary chondrite (L4)
History: Purchased in Zouerat, Mauritania by Mbark Arjdal in July 2018 from Mohamed Zergou.
Physical characteristics: A single, rather fragile stone with a somewhat weathered exterior (3897 g). Fresh interior surfaces exhibit well-formed chondrules in a finer matrix.
Petrography: (A. Irving, UWS and P. Carpenter, WUSL) Closely-packed, well-formed chondrules are set in a sparse matrix containing altered metal.
Geochemistry: Olivine, Fa25.0±0.1 (Fa24.9-25.0), N = 3; low-Ca pyroxene, Fs22.9±3.6Wo1.2±1.1 (Fs20.4-29.5Wo0.5-2.8), N = 3; subcalcic augite, Fs15.3Wo2.5; augite, Fs10.4Wo35.1.
Classification: Ordinary chondrite (L4).
Specimens: 71.9 g including one polished thin section at UWB; remainder with Mr. M. Arjdal.
Place of purchase: Zouerat, Mauritania
Date: P 2018 Jul
Mass (g): 3897
Shock stage: S2
Weathering grade: W2
Fayalite (mol%): 25.0±0.1 (n=3)
Ferrosilite (mol%): 22.9±3.6 (n=3)
Wollastonite (mol%): 1.2±1.1
Classifier: A. Irving, UWS, and P. Carpenter, WUSL
Type spec mass (g): 71.9
Type spec location: UWB
Main mass: M. Arjdal
Comments: Work name Arj A3KG; 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)Please let mark
- Number of items
- Main Mineral/ Name Meteorite
- OFFICIALLY CLASSIFIED & APPROVED NWA 12629
- Mineral Form/ Type Meteorite
- Chondrite Meteorite
- NWA 12629
- 17×11×8 cm
- 1187 g
- Origin (Region/ City)
- Origin (Country)