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Lunar Meteorite 2.6g | Lunar Breccia - NWA 11474 | The Moon

Brought to you by: Top Meteorite

  • $ 390.00


On Offer: 2.6 gram fragment of the Lunar Meteorite NWA 11474

Type: Lunar Feldspathic Breccia
Official name: NWA 11474
Mass: 2.6g
Paren body: The Moon (Luna) - this is material ejected from our Moon when it was hit
by another meteorite and became a meteorite itself when it hit the Earth.
Description: 2.6 gram fragment of lunar feldspathic breccia NWA 11474 newly classified at UNM's IOM by Dr. Carl Agee.
Top Meteorite offers exceptional quality specimens at very reasonable prices.
What you get: 2.6 gram Lunar Meteorite Specimen as shown, signed Certificate of Authenticity, shipping/storage membrane box, and white membrane display.
Top Meteorite offers a 100% no questions asked 30 day return policy.
Northwest Africa 11474
Basic information Name: Northwest Africa 11474
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11474 
Observed fall: No
Year found: 2017
Country: (Northwest Africa) 
Mass:help 586 g
Recommended:   Lunar (feldsp. breccia)    [explanation]

This is 1 of 138 approved meteorites classified as Lunar (feldsp. breccia).   [show all]
Search for other: Lunar meteorites
Comments: Approved 15 Nov 2017
Writeup from MB 106: 

Northwest Africa 11474 (NWA 11474)

(Northwest Africa)

Purchased: 2017

Classification: Lunar meteorite (feldspathic breccia)

History: Purchased by Dustin Dickens and Mendy Ouzillou from a Mauritanian meteorite dealer May 10, 2017.

Physical characteristics: Many identical appearing pieces, no fusion crust. A saw cut reveals a fragmental breccia with numerous white feldspathic clasts set in a dark-gray ground mass.

Petrography: (C. Agee, UNM) This meteorite consists of primarily feldspathic clasts and shock melt with lesser amounts of fragmental pyroxene and olivine.

Geochemistry: (C. Agee and B. Ha, UNM) olivine Fa19.3±0.6, Fe/Mn=86±1, n=2; pigeonite Fs24.8±0.5Wo4.3±0.3, Fe/Mn=60±9, n=2; high Ca pyroxene Fs27.4Wo34.4, Fe/Mn=58, n=1; plagioclase An97.8±0.7Ab2.0±0.6Or0.2±0.1, n=6; Shock melt (20 μm defocused electron beam, proxy for bulk meteorite composition): SiO2=44.4±0.8, TiO2=0.21±0.01, Al2O3=27.5±1.1, Cr2O3=0.07±0.02, MgO=5.7±1.4, FeO=4.2±1.3, MnO=0.07±0.02, CaO=16.2±0.5, Na2O=0.42±0.04, K2O=0.01±0.02 (all wt%), Fe/Mn=63±1, Mg#=70.1±1.1, n=3.

Classification: Lunar feldspathic breccia

Specimens: 20 g including a probe mount on deposit at UNM, Dustin Dickens and Mendy Ouzillou hold the main mass.

Data from:
  Table 0
  Line 0:
Place of purchase: Mauritania
Date: P 2017
Mass (g): 586
Pieces: Many
Class: Lunar (feldsp. breccia)
Shock stage: High
Weathering grade: Moderate
Fayalite (mol%): 19.3±0.6
Ferrosilite (mol%): 24.8±0.5; 27.4
Wollastonite (mol%): 4.3±0.3; 34.4
Classifier: C. Agee, UNM
Type spec mass (g): 20
Type spec location: UNM
Main mass: Dustin Dickens and Mendy Ouzillou
Comments: Submitted by C. Agee
ID - LUNA20170012


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