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Lunar Meteorite 6.75g I Lunar Breccia - NWA 11228

Brought to you by: Top Meteorite

  • $ 1,012.00


On Offer:  Amazing 6.75 gram specimen of the Lunar Meteorite NWA 11228 

Type: Lunar Feldspathic Breccia
Official name:  NWA 11228  Approved 5/4/2017
Mass:  6.75 g
Paren body: The Moon - 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: 6.75 gram specimen lunar feldspathic breccia meteorite  NWA 11228.
Top Meteorite offers exceptional quality specimens at very reasonable prices.
What you get:   6.75 gram complete individual Lunar Meteorite Specimen as Shown, Membrane Storage/Display Box, signed Certificate of Authenticity
Top Meteorite offers a 100% no questions asked 30 day return policy.
Northwest Africa 11228
Basic information Name: Northwest Africa 11228
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11228 
Observed fall: No
Year found: 2017
Country: (Northwest Africa) 
Mass:help 140 g
Recommended:   Lunar (feldsp. breccia)    [explanation]

This is 1 of 117 approved meteorites classified as Lunar (feldsp. breccia).   [show all]
Search for other: Lunar meteorites
Comments: Approved 10 May 2017
Writeup from MB 106: 

Northwest Africa 11228 (NWA 11228)

(Northwest Africa)

Purchased: 20 Mar 2017

Classification: Lunar meteorite (feldspathic breccia)

History: Purchased by Dustin Dickens, March 20, 2017, from Mohamed Maulud.

Physical characteristics: Many irregular shaped fragments, dark sand-blasted exterior, no fusion crust.

Petrography: (C. Agee, UNM) This meteorite is a fragmental breccia with pyroxene, plagioclase, and olivine grains set in fine grained groundmass. Scatttered micro-gabbro fragments were also observed. Ubiquitous, fine grained, accessory Fe-metal and sulfide are present. Minor amount of shock melt was observed in the microprobe section. All pyroxene grains probed were pigeonite, no augite was detected.

Geochemistry: (C. Agee and B. Ha, UNM) Olivine Fa40.2±13.6, Fe/Mn=93±9, n=10; pigeonite Fs36.1±7.9Wo11.6±3.5, Fe/Mn=57±6, n=11; plagioclase An94.4±1.1Ab5.0±1.0Or0.6±0.2, n=5; shock melt (proxy for bulk composition) Al2O3=26±1, TiO2=0.14±0.09, MgO=12±6, FeO=3±2 (all wt%), n=2.

Classification: Lunar (feldspathic breccia)

Specimens: 20.3 g including a probe mount on deposit at UNM, Dustin Dickens holds the main mass.

Data from:
  Table 0
  Line 0:
Place of purchase: Morocco
Date: P 20 Mar 2017
Mass (g): 140
Pieces: Many
Class: Lunar (feldsp. breccia)
Shock stage: high
Weathering grade: moderate
Fayalite (mol%): 40.2±13.6
Ferrosilite (mol%): 36.1±7.9
Wollastonite (mol%): 11.6±3.5
Classifier: C. Agee, UNM
Type spec mass (g): 20.3
Type spec location: UNM
Main mass: Dustin Dickens
Comments: Submitted by C. Agee
   and collections
UNM: Institute of Meteoritics MSC03 2050 University of New Mexico Albuquerque NM 87131-1126 USA, United States; Website (institutional address; updated 12 Feb 2015)
ID: TMSBNWA1122818047


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