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8.01g Lunar Meteorite I Lunar Breccia I NWA 11788

Top Meteorite

  • $ 2,000.00


 

On Offer:  8.01 gram amazing lunar meteorite of the feldspathic breccia NWA 11787.

Type: Lunar Feldspathic Breccia
Official name:  NWA 11788
Mass:  8.01
Paren body: The Moon  
This is an actual 8.01g gram piece of the Moon that was ejected from it’s surface when another meteorite struck it with enough force to send pieces into an Earth crossing trajectory. 
Description: An amazing 8.01 gram specimen of the lunar meteorite NWA 11788. 
What you get: 8.01g  gram  Lunar Meteorite Specimen as shown, membrane storage/shipping box, and signed Certificate of Authenticity.
Top Meteorite offers a 100% no questions asked 30 day return policy.


SEE OFFICIAL METEORITICAL SOCIETY ENTRY BELOW
Northwest Africa 11787
Basic information Name: Northwest Africa 11787
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11787 
Observed fall: No
Year found: 2017
Country: Mauritania 
Mass:help 23.5 kg
Classification
  history:
Recommended:   Lunar (feldsp. breccia)    [explanation]

This is 1 of 157 approved meteorites classified as Lunar (feldsp. breccia).   [show all]
Search for other: Lunar meteorites
Comments: Approved 26 May 2018
Writeuphelp
Writeup from MB 107: 

Northwest Africa 11787 (NWA 11787)

Mauritania

Purchased: 2017

Classification: Lunar meteorite (feldspathic breccia)

History: Purchased in Mauritania by Dustin Dickens from anonymous meteorite hunter.

Physical characteristics: Many visually identical appearing pieces, ranging from several kilograms to sub-gram fragments. Some pieces show a light-gray, remnant fusion crust on one or more faces, with most having no fusion crust. Saw cut reveals a fragmental breccia with white feldspathic clasts set in a dark-gray ground mass.

Petrography: (C. Agee, UNM) This meteorite is a polymict breccia of fragmental feldspathic, troctolitic and mafic lithologies, as well as fragmental pyroxene, olivine, plagioclase grains, and shock melt with vescicles.

Geochemistry: (C. Agee, UNM) olivine Fa: 25.6±8.9, Fe/Mn=95±18, n=13; low-Ca pyroxene Fs26.2±8.8Wo6.2±2.5, Fe/Mn=52±4, n=7; subcalcic augite Fs35.9±5.8Wo26.9±7.9, Fe/Mn=69±5, n=2; augite Fs14.5±7.1Wo41.0±2.0, Fe/Mn=45±15, n=3; plagioclase An96.2±0.8, n=6; Shock melt (20 _m defocused electron beam, proxy for bulk meteorite composition): SiO2=42.9±0.4, TiO2=0.11±0.05, Al2O3=31.1±4.0, Cr2O3=0.10±0.05, MgO=5.1±3.3, FeO=3.3±2.0, MnO=0.05±0.05, CaO=16.6±1.6, Na2O=0.37±0.06, K2O=0.04±0.00 (all wt%), n=3.

Classification: Lunar feldspathic breccia

Specimens: 21.25 g including a probe mount on deposit at UNM, Dustin Dickens holds the main mass.

Data from:
  MB107
  Table 0
  Line 0:
Place of purchase: Mauritania
Date: P 2017
Mass (g): 23500
Pieces: Many
Class: Lunar (feldsp. breccia)
Shock stage: high
Weathering grade: moderate
Fayalite (mol%): 25.6±8.9
Ferrosilite (mol%): 26.2±8.8, 35.9±5.8, 14.5±7.1
Wollastonite (mol%): 6.2±2.5, 26.9±7.9, 41.0±2.0
Classifier: C. Agee, UNM
Type spec mass (g): 21.25
Type spec location: UNM
Main mass: Dustin Dickens
Comments: Field name DD-20; submitted by C. Agee, UNM
ID: NWA117871802

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