NWA 10973 Lunar Feldspathic Regolith Breccia Meteorite from the Moon 3.35 grams

Description

NWA 10973
Lunar Feldspathic Regolith Breccia Meteorite
3.35 GRAM COMPLETE SLICE
INCREDIBLE MELT VEINS AND COMPOSITION
METEORITE FROM THE MOON
LOW TKW
OFFICIAL CLASSIFICATION DATA SOURCE:
The Meteoritical Society
International Society for Meteoritics and Planetary Science
Lunar and Planetary Institute
Meteoritical Bulletin Database
Northwest Africa 10973
Basic information
Name:
Northwest Africa 10973
This is an OFFICIAL meteorite name.
Abbreviation:
NWA 10973
Observed fall:
No
Year found:
2016
Country:
(Northwest Africa)
Mass:
25 g
Classification
history:
Recommended:
Lunar (feldsp. breccia)
This is 1 of 100 approved meteorites classified as Lunar (feldsp. breccia).
Approved 17 Dec 2016
Writeup
Writeup from MB 105:
Northwest Africa 10973
(NWA 10973)
(Northwest Africa)
Purchased: 2016 Sep
Classification: Lunar meteorite (feldspathic breccia)
History
: Purchased by John Higgins in September 2016 from a dealer in Nouakchott, Mauritania.
Physical characteristics
: A single dark stone (25 g) lacking fusion crust. The fresh interior exhibits small white clasts within a dominant, dark-gray matrix containing sparse vesicles.
Petrography
: (A. Irving and S. Kuehner,
UWS
) Breccia composed of small angular mineral clasts of anorthite, bytownite, pigeonite, olivine, orthopyroxene, Mg-merrillite, ilmenite and kamacite in a finer matrix containing sparse vesicles.
Geochemistry
: Olivine (Fa
40.1-47.0
, FeO/MnO = 84-88, N = 3), orthopyroxene (Fs
24.2-36.7
Wo
4.9-4.1
, FeO/MnO = 52-56, N = 2), pigeonite (Fs
24.8
Wo
14.7
, FeO/MnO = 46; Fs
43.4
Wo
17.6
, FeO/MnO = 54), plagioclase (An
90.3
Or
0.4
; An
81.5
Or
1.4
; N = 2).
Classification
: Lunar (feldspathic regolith breccia).
Specimens
: 5.01 g including one polished slice at
UWB
; remainder with Mr. J. Higgins.
Data from:
MB105
Table 0
Line 0:
Place of purchase:
Nouakchott, Mauritania
Date:
P 2016 Sep
Mass (g):
25
Pieces:
1
Class:
Lunar (feldsp. breccia)
Shock stage:
low
Weathering grade:
low
Fayalite (mol%):
40.1-47.0
Ferrosilite (mol%):
24.2-36.7; 24.8; 43.4
Wollastonite (mol%):
4.9-4.1; 14.7; 17.6
Classifier:
A. Irving and S. Kuehner, UWS
Type spec mass (g):
5.01
Type spec location:
UWB
Main mass:
J. Higgins
Comments:
JH16-9; submitted by A. Irving
Institutions
and collections
University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall
UWB
: University of Washington,
Catalogs:
References:
Published in Meteoritical Bulletin, no. 105, in preparation (2016)
Statistics:
This is 1 of 5536 approved meteorites from
(Northwest Africa)
(plus 2099 unapproved names)
GUARANTEED AUTHENTICITY
Member of the Meteoritical Society & International Meteorite Collectors Association #9822 The authenticity of this meteorite comes with a 100% guarantee. Signed Certificate of Authenticity included. First class delivery and provenance provided. 1cm scale cube for reference purposes.
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