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Northwest Africa 16483
Basic information Name: Northwest Africa 16483
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 16483
Observed fall: No
Year found: 2023
Country: (Northwest Africa)
Mass:help 728 g
Classification
  history:
Recommended:  H5    [explanation]

This is 1 of 12057 approved meteorites (plus 23 unapproved names) classified as H5.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 14 Feb 2024
Writeuphelp
Writeup from MB 113:

Northwest Africa 16483 (NWA 16483)

(Northwest Africa)

Purchased: February 2023

Classification: Ordinary chondrite (H5)

History: Purchased in February 2023 by Richard Rexeisen at the Tucson Gem and Mineral Show in Tucson, AZ.

Physical characteristics: Single stone with slightly weathered fusion crust.

Petrography: (D. Sheikh, Cascadia) Sample is an equilibrated ordinary chondrite containing secondary recrystallized feldspar (~20 μm) and accessory Fe-Ni metal, troilite, and chromite.

Geochemistry: Olivine (Fa19.4±0.3, range Fa18.2-20.0, n=24), Low-Ca Pyroxene (Fs17.1±0.3Wo1.4±0.2, range Fs16.7-17.8Wo1.0-1.8, n=21).

Classification: Ordinary Chondrite (H5).

Specimens: 32.2 g at Cascadia, main mass with Richard Rexeisen.

Data from:
  MB113
  Table 0
  Line 0:
Place of purchase:Tucson, AZ
Date:P February 2023
Mass (g):728
Pieces:1
Class:H5
Shock stage:S3
Weathering grade:W2
Fayalite (mol%):19.4±0.3
Ferrosilite (mol%):17.1±0.3
Wollastonite (mol%):1.4±0.2
Classifier:D. Sheikh, Cascadia
Type spec mass (g):32.2
Type spec location:Cascadia
Main mass:Richard Rexeisen
Comments:CML 1742; RR-05; submitted by Daniel Sheikh
Institutions
   and collections		 Cascadia: Cascadia Meteorite Laboratory, Portland State University, Department of Geology, Room 17 Cramer Hall, 1721 SW Broadway, Portland, OR 97201, United States; Website (institutional address; updated 28 Oct 2011)
Catalogs:
References: Published in Meteoritical Bulletin, no. 113, in preparation (2024)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9933 approved meteorites from (Northwest Africa) (plus 1837 unapproved names)

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