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Swayyah 003
Basic information Name: Swayyah 003
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2020
Country: Western Sahara
Mass:help 208 g
Classification
  history:
Recommended:  Lunar (feldsp. breccia)    [explanation]

This is 1 of 220 approved meteorites classified as Lunar (feldsp. breccia).   [show all]
Search for other: Lunar meteorites
Comments: Approved 23 Jan 2021
Writeuphelp
Writeup from MB 110:

Swayyah 003        26.470°N, 8.760°W

Western Sahara

Find: 2020 Feb

Classification: Lunar meteorite (feldspathic breccia)

History: Found in southern Morocco in February 2020 and purchased from the finder in Tindouf, Algeria, in March 2020. David Lehman is the American agent for the owners.

Petrography: (A. Irving, UWS and P. Carpenter, WUSL) Breccia composed of mineral clasts of anorthite, olivine, low-Ca pyroxene, pigeonite and augite together with some lithic clasts (including basalt composed mainly of subparallel-intergrown lath-like plagioclase and acicular clinopyroxene) and glass fragments in a finer grained matrix. Accessory phases include ilmenite, baddeleyite, troilite, zirconolite and minor secondary barite.

Geochemistry: Olivine (Fa17.1-37.1, FeO/MnO = 85-101, N = 5), low-Ca pyroxene (Fs7.6-38.6Wo3.3-4.8, FeO/MnO = 48-63, N = 5), pigeonite (Fs33.7-44.5Wo9.5-12.6, FeO/MnO = 54-62, N = 2), augite (Fs12.9-18.4Wo39.9-43.5, FeO/MnO = 43-49, N = 2), anorthite (An93.8-95.3Or0.3, N = 2).

Classification: Lunar (feldspathic breccia).

Specimens: 21.8 g including a polished mount at UWB; remainder with Mr. D. Lehman.

Data from:
  MB110
  Table 0
  Line 0:
Place of purchase:Tindouf
Date:2020 Feb
Latitude:26.470°N
Longitude:8.760°W
Mass (g):208
Pieces:1
Class:Lunar (feldsp. breccia)
Shock stage:low
Weathering grade:low
Fayalite (mol%):17.1-37.1
Ferrosilite (mol%):7.6-38.6; 33.7-44.5; 12.9-18.4
Wollastonite (mol%):3.3-4.8; 9.5-12.6; 39.9-43.5
Classifier:A. Irving, UWS, and P. Carpenter, WUSL
Type spec mass (g):21.8
Type spec location:UWB
Main mass:D. Lehman
Comments:Work name DL 1032; submitted by A. Irving
Institutions
   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)
Catalogs:
References: Published in Meteoritical Bulletin, no. 110, in preparation (2021)
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Geography:

Western Sahara
Coordinates:
     Recommended::   (26° 28' 12"N, 8° 45' 36"W)

Statistics:
     This is 1 of 233 approved meteorites from Western Sahara (plus 19 unapproved names)
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