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Northwest Africa 10250
Basic information Name: Northwest Africa 10250
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10250
Observed fall: No
Year found: 2000
Country: (Northwest Africa)
Mass:help 418 g
Classification
  history:
Meteoritical Bulletin:  MB 104  (2015)  L3
Recommended:  L3    [explanation]

This is 1 of 718 approved meteorites (plus 1 unapproved name) classified as L3.   [show all]
Search for other: L chondrites, L chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 4 Sep 2015
Writeuphelp
Writeup from MB 104:

Northwest Africa 10250 (NWA 10250)

(Northwest Africa)

Find: 2000

Classification: Ordinary chondrite (L3)

History: Found by anonymous dealer in Northwest Africa in 2000

Physical characteristics: Chondrules, metal, and colored minerals are visible. The outline of chondrules varies from sharp to indistinct. Matrix color is brown.

Petrography: Mineral species: olivine, pyroxene, plagioclase, Fe-Ni alloy, FeS, chromite, Cl-apatite, merrillite, native Cu, and SiO2.

Geochemistry: Olivine: Fa24.6±11.3 (N=52) (matrix), Fa21.9±6.8 (N=59) (chondrule); pyroxenes: Fs17.9±5.1Wo1.5±1.0 (N=27, low-Ca pyroxene, matrix), Fs13.2±7.4Wo33.1±6.9 (N=9, high-Ca pyroxene, matrix), Fs17.4±6.4Wo1.5±1.2 (N=45, low-Ca pyroxene, chondrule), Fs12.3±6.1Wo 28.9±13.2 (N=14, high-Ca pyroxene, chondrule)

Classification: Ordinary chondrite (L3)

Specimens: 31.8 g initial mass (1 fragment, 15.98 g and 3 thin sections) on deposit at NMNS, Mineral Science Laboratory holds the remaining main mass.

Data from:
  MB104
  Table 0
  Line 0:
Date:2000
Mass (g):418
Pieces:1
Class:L3
Shock stage:S2
Weathering grade:W2
Fayalite (mol%):24.6±11.3 (N=52)
Ferrosilite (mol%):17.9±5.1 (N=27)
Wollastonite (mol%):1.5±1.0 (N=27)
Classifier:T. Sasaki, S. Akita, and M.Nagashima, Yamaguchi, NMNS
Type spec mass (g):31.8
Type spec location:NMNS
Main mass:Mineral Science Laboratory, Tokyo
Comments:Submitted by M. Nagashima
Institutions
   and collections		 NMNS: National Museum of Nature and Science, 4-1-1 Amakubo, Tsukuba, Ibaraki 305-0005, JAPAN, Japan; Website (institutional address; updated 16 Jun 2014)
Catalogs:
References: Published in Meteoritical Bulletin, no. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7655 approved meteorites from (Northwest Africa) (plus 1972 unapproved names)

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