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4.5g Lunar Meteorite | Lunar Breccia I NWA 11474 | Moon Rock

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On Offer: 4.5 gram fragment of the Lunar Meteorite NWA 11474

Type: Lunar Feldspathic Breccia
Official name: NWA 11474
Mass: 4.5g
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: 4.5 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: 4.5 gram complete individual Lunar Meteorite Specimen as Shown, signed Certificate of Authenticity
Top Meteorite offers a 100% no questions asked 30 day return policy.
ID - LUNA20170062
SEE OFFICIAL METEORITICAL BULLETIN DATABASE ENTRY BELLOW

 

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: 586 g

Classification

  history:

This is 1 of 137 approved meteorites classified as Lunar (feldsp. breccia).   

 

Comments:

Approved 15 Nov 2017

Writeup

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.

 

 


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