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Northwest Africa 10217
Basic information Name: Northwest Africa 10217
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10217
Observed fall: No
Year found: 2015
Country: Morocco
Mass:help 271 g
Classification
  history:
Meteoritical Bulletin:  MB 104  (2015)  CK5
Recommended:  CK5    [explanation]

This is 1 of 215 approved meteorites classified as CK5.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (equilibrated), CK chondrites, CK chondrites (type 4-6), and CV-CK clan chondrites
Comments: Approved 28 Oct 2015
Writeuphelp
Writeup from MB 104:

Northwest Africa 10217 (NWA 10217)

Morocco

Find: Unknown

Classification: Carbonaceous chondrite (CK5)

Petrography: Opaques include magnetite, pyrite and pyrrhotite.

Geochemistry: Olivine is Fa30.8±0.2 (n=20); low-Ca pyroxene is absent; Ca pyroxene is Fs10.5±5.2Wo42.2±12.3 (n=8).

Classification: The homogeneity of the olivine indicates type 4-6. The mean diameter of plagioclase grains (30 µm) indicates type 5. The absence of primary glass indicates type 4-6. The presence of readily discernable chondrules indicates type 5. The coarseness of the groundmass (80 µm) indicates type 5 or 6.

Data from:
  MB104
  Table 0
  Line 0:
Place of purchase:Tucson Show
Date:Unknown
Mass (g):270.5g
Pieces:1
Class:CK5
Shock stage:S2
Weathering grade:W4
Fayalite (mol%):30.8±0.2 (n=20)
Classifier:A. Rubin, J. Breen, UCLA
Type spec mass (g):20.28g
Type spec location:UCLA
Main mass:Sean Tutorow
Comments:Submitted by Sean Tutorow
Institutions
   and collections
UCLA: Institute of Geophysics and Planetary Physics, University of California, Los Angeles, CA 90095-1567, United States (institutional address; updated 17 Oct 2011)
Catalogs:
References: Published in Meteoritical Bulletin, no. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full
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Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 2068 approved meteorites from Morocco (plus 31 unapproved names) (plus 1 impact crater)
Also see:
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Revision
  history:
  This lists important revisions made to data for this record.

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