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Northwest Africa 10827
Basic information Name: Northwest Africa 10827
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10827
Observed fall: No
Year found: 2016
Country: (Northwest Africa)
Mass:help 32.7 g
Classification
  history:
Meteoritical Bulletin:  MB 105  (2016)  CM2
Recommended:  CM2    [explanation]

This is 1 of 547 approved meteorites classified as CM2.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 2), CM chondrites, and CM-CO clan chondrites
Comments: Approved 10 Oct 2016
Writeuphelp
Writeup from MB 105:

Northwest Africa 10827 (NWA 10827)

(Northwest Africa)

Purchased: 2016

Classification: Carbonaceous chondrite (CM2)

History: Purchased by Gary Fujihara from Morocco, 2016.

Physical characteristics: Single stone, fusion-crusted. A saw cut shows a few scattered chondrules, crystal fragments, and small CAIs set in a dark-colored matrix.

Petrography: (C. Agee, UNM) Microprobe examination of a polished mount shows a low density of porphyritic chondrules (most, irregular in shape), chondrule fragments, and olivine grains. Phyllosilicate-bearing matrix makes up approximately 75% of this meteorite.

Geochemistry: (C. Agee and M. Spilde, UNM) All olivine Fa15.4±19.0, n=27; ferroan olivine Fa31.0±16.5, Fe/Mn=93±36, Cr2O3=0.36±0.10 (wt%), n=13; forsterite Fa0.8±0.3, n=14; enstatite Fs1.1±0.4Wo1.0±0.2, n=10.

Classification: Carbonaceous chondrite (CM2)

Specimens: 6.61 g including a probe mount on deposit at UNM, Gary Fujihara holds the main mass.

Data from:
  MB105
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2016
Mass (g):32.7
Pieces:1
Class:CM2
Shock stage:moderate
Weathering grade:low
Fayalite (mol%):15.4±19.0
Ferrosilite (mol%):1.1±0.4
Wollastonite (mol%):1.0±0.2
Classifier:C. Agee, UNM
Type spec mass (g):6.61
Type spec location:UNM
Main mass:Gary Fujihara
Comments:GF-6; submitted by C. Agee
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)
Catalogs:
References: Published in Meteoritical Bulletin, no. 105, MAPS 52, 2411, September 2017. http://onlinelibrary.wiley.com/doi/10.1111/maps.12944/full
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7752 approved meteorites from (Northwest Africa) (plus 1971 unapproved names)

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