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Northwest Africa 8333
Basic information Name: Northwest Africa 8333
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 8333
Observed fall: No
Year found: 2014
Country: (Northwest Africa)
Mass:help 285 g
Meteoritical Bulletin:  MB 106  (2018)  CV3
Recommended:  CV3    [explanation]

This is 1 of 602 approved meteorites (plus 1 unapproved name) classified as CV3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites
Comments: Approved 7 Feb 2017
Writeup from MB 106:

Northwest Africa 8333 (NWA 8333)

(Northwest Africa)

Purchased: 2014 Jan

Classification: Carbonaceous chondrite (CV3)

History: Purchased from a mineral dealer in Berlin, Germany, who bought the sample in Morocco.

Petrography: (K. Metzler, IfP) Chondrules, CAIs and AOAs are embedded in a fine-grained dark matrix (about 30 vol% matrix). The matrix is Allende-like, mainly consisting of tiny (<5-20 µm) elongated olivine grains. Most chondrules have apparent diameters between 0.5 and 2 mm, the largest up to 4 mm. CAIs with sizes up to 1.2 cm and dark inclusions up to 1.5 cm in size are observed. A directional fabric is visible due to the parallel orientation of elongated CAIs and AOAs.

Geochemistry: Composition of small olivine grains in matrix is Fa40.5±1.5 (Fa37-41); n=10. Random measurements of olivine grains revealed Fa17.8±12.0 (Fa1-46); n=23. Random measurements of low-Ca pyroxene grains revealed Fs2.0±1.3Wo2.2±1.8 (Fs1-4Wo1-5, n=13).

Classification: CV chondrite based on CAI and AOA occurrence, size of chondrules and CAIs, chondrule-matrix ratio, and mineral chemistry. Petrologic type 3 based on the chemical variability of olivine and pyroxene.

Data from:
  Table 0
  Line 0:
Place of purchase:Berlin
Date:P 2014 Jan
Mass (g):285
Shock stage:S1
Weathering grade:moderate
Fayalite (mol%):17.8±12.0
Ferrosilite (mol%):2.0±1.3
Wollastonite (mol%):2.2±1.8
Classifier:K. Metzler, IfP
Type spec mass (g):20
Type spec location:IfP
Main mass:anonymous
Comments:Submitted by K. Metzler, IfP
   and collections
IfP: Institut für Planetologie, Wilhelm-Klemm-Str. 10, 48149 Münster, Germany (institutional address; updated 23 Jan 2012)
References: Published in Gattacceca J., Bouvier A., Grossman J., Metzler K., and Uehara M. (2019) Meteoritical Bulletin, no. 106. Meteorit. Planet. Sci. 54 in press.
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     This is 1 of 8904 approved meteorites from (Northwest Africa) (plus 1871 unapproved names)

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