3.04g Lunar Meteorite I Lunar Breccia I NWA 11788

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$ 760.00

On Offer: 3.04 gram amazing lunar meteorite of the feldspathic breccia NWA 11787.

Type: Lunar Feldspathic Breccia

Official name: NWA 11788

Mass: 3.04g

Paren body: The Moon

This is an actual 3.04g 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 3.04 gram specimen of the lunar meteorite NWA 11788.

What you get: 3.04g gram Lunar Meteorite Specimen as shown, membrane storage/shipping box, signed Certificate of Authenticity

Top Meteorite offers a 100% no questions asked 30 day return policy.

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Northwest Africa 11788

Basic information

Name: Northwest Africa 11788
This is an OFFICIAL meteorite name.
Abbreviation: NWA 11788
Observed fall: No
Year found: 2017
Country: Mali
Mass: 10.44 kg

Classification
history:

Meteoritical Bulletin:		(2018)	Lunar (feldsp. breccia)
Recommended:			Lunar (feldsp. breccia) [explanation]

This is 1 of 240 approved meteorites classified as Lunar (feldsp. breccia). [show all]
Search for other: Lunar meteorites

Comments:

Approved 26 May 2018

Writeup

Writeup from MB 107:

Northwest Africa 11788 (NWA 11788)

Mali

Purchased: 2017

Classification: Lunar meteorite (feldspathic breccia)

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

Physical characteristics: Many dark visually identical appearing pieces, with masses ranging from ~2 kg to many sub-g fragments, showing no fusion crust. Saw cut reveals a finely fragmental breccia with white feldspathic clasts set in a dark gray ground mass with metal flecks and minor vesiculation appearing throughout.

Petrography: (C. Agee, UNM) This meteorite is a breccia of fragmental pyroxene, olivine, plagioclase grains. There are domains that are fine-grained and cataclastic with shock melt and vesicles.

Geochemistry: (C. Agee, UNM) olivine Fa: 31.2±9.4, Fe/Mn=95±7, n=12; clinopyroxene Fs_36.0±10.0Wo_22.2±8.8, Fe/Mn=60±5, n=12; plagioclase An_93.0±1.8, n=7; Shock melt (20 _m defocused electron beam, proxy for bulk meteorite composition): SiO₂=43.2±1.7, TiO₂=0.46±0.20, Al₂O₃=24.2±3.6, Cr₂O₃=0.23±0.08, MgO=7.8±1.4, FeO=8.0±3.2, MnO=0.10±0.05, CaO=14.2±1.4, Na₂O=0.35±0.23, K₂O=0.08±0.05 (all wt%), n=4.

Classification: Lunar feldspathic breccia

Specimens: 28.9 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:	Mali
Date:	P 2017
Mass (g):	10441
Pieces:	Many
Class:	Lunar (feldsp. breccia)
Shock stage:	high
Weathering grade:	moderate
Fayalite (mol%):	31.2±9.4
Ferrosilite (mol%):	36.0±10.0
Wollastonite (mol%):	22.2±8.8
Classifier:	C. Agee, UNM
Type spec mass (g):	28.9
Type spec location:	UNM
Main mass:	Dustin Dickens
Comments:	Field name DD-21; submitted by C. Agee, UNM

Institutions
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)

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