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Northwest Africa 1723
Basic information Name: Northwest Africa 1723
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 1723
Observed fall: No
Year found: 2003
Country: Morocco
Mass:help 28 g
Classification
  history:
Recommended:  L3    [explanation]

This is 1 of 644 approved meteorites classified as L3.   [show all]
Search for other: L chondrites, L chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 2 Dec 2018
Writeuphelp
Writeup from MB 107:

Northwest Africa 1723 (NWA 1723)

Morocco

Find: unknown

Classification: Ordinary chondrite (L3)

Petrography: Olivine Fa22.9, range Fa10-24, PMD 6% (n=17) with average 0.05 wt% CaO. Low-Ca pyroxene Fs19.4, range Fs13-20, PMD 15% (n=15). Plagioclase Ab95Or2 (n=10). Metal includes kamacite, taenite and possible tetrataenite. Troilite and chromite are abundant. Contains a 2-cm sized dark inclusion.

Data from:
  MB107
  Table 0
  Line 0:
Place of purchase:Tucson, AZ
Date:unknown
Mass (g):28
Pieces:1
Class:L3
Shock stage:S2
Weathering grade:W2
Fayalite (mol%):22.9 (N=17)
Ferrosilite (mol%):19.4 (N=15)
Wollastonite (mol%):2
Classifier:M. Takahashi, TohU, Mike Zolensky, JSC
Type spec mass (g):6.5
Type spec location:SI
Main mass:M. Cottingham
Finder:unknown
Comments:Submitted by M. Zolensky and M.Takahashi
Institutions
   and collections
JSC: Mailcode KT, 2101 NASA Parkway, NASA Johnson Space Center, Houston, TX 77058, United States; Website (institutional address; updated 3 Sep 2013)
SI: Department of Mineral Sciences, NHB-119, National Museum of Natural History, Smithsonian Institution, Washington, DC 20560, United States; Website (institutional address; updated 16 Jan 2012)
TohU: Tohoku University 2 Chome-1-1 Katahira, Aoba Ward, Sendai, Miyagi Prefecture 980-8577, Japan (institutional address; updated 2 Dec 2018)
Catalogs:
References: Published in Meteoritical Bulletin, no. 107, in preparation (2018)
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Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 1321 approved meteorites from Morocco (plus 14 unapproved names) (plus 1 impact crater)

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