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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 290 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 Gattacceca J., McCubbin F.M., Grossman J., Bouvier A., Chabot N.L., D'Orazio M., Goodrich C., Greshake A., Gross J., Komatsu M., Miao B., and Schrader D. (2022) The Meteoritical Bulletin, No. 110. Meteorit. Planet. Sci. 1-4
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Geography:

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

Statistics:
     This is 1 of 262 approved meteorites from Western Sahara (plus 19 unapproved names)
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