Meteoritical Bulletin: Entry for Northwest Africa 10333

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Northwest Africa 10333

Basic information

Name: Northwest Africa 10333
This is an OFFICIAL meteorite name.
Abbreviation: NWA 10333
Observed fall: No
Year found: 2015
Country: (Northwest Africa)
Mass: 175 g

Classification
history:

Meteoritical Bulletin:	MB 104	(2015)	Eucrite
Recommended:			Eucrite [explanation]

This is 1 of 576 approved meteorites (plus 1 unapproved name) classified as Eucrite. [show all]
Search for other: Achondrites, Eucrites, and HED achondrites

Comments:

Approved 5 Nov 2015

Writeup

Writeup from MB 104:

Northwest Africa 10333 (NWA 10333)

(Northwest Africa)

Purchased: 2015

Classification: HED achondrite (Eucrite)

History: The meteorite was purchased from a local meteorite dealer in Tan Tan, Morooco.

Physical characteristics: Three stones almost completely covered by fusion crust.

Petrography: The meteorite displays a pronounced basaltic texture of dominantly course-grained pyroxenes (up to 1.5 mm) and calcic plagioclase (up to 2 mm). Pyroxene is typically exsolved; minor phases include SiO₂ polymorphs, chromite and troilite.

Geochemistry: low-Ca pyroxene: Fs_57.9±0.8Wo_2.1±0.7(Fs_59.2-60.1Wo_1.6-4.3, n=19, FeO/MnO=30-33); Ca-pyroxene: Fs_24.7±0.5Wo_43.8±0.5(Fs_23.9-25.6Wo_42.8-44.6, n=19, FeO/MnO=27-33); calcic plagioclase: An_82.7±3.9(An_78.2-89.8, n=19)

Data from:
  MB104
  Table 0
  Line 0:

Place of purchase:	Tan Tan, Morocco
Date:	P 2015
Mass (g):	175
Pieces:	3
Class:	Eucrite
Shock stage:	moderate
Weathering grade:	low
Ferrosilite (mol%):	57.9; 24,7
Wollastonite (mol%):	2.1; 43.8
Classifier:	A. Greshake, MNB
Type spec mass (g):	23
Type spec location:	MNB
Main mass:	Jarkko Kettunen and Marek Wozniak
Comments:	Submitted by Ansgar Greshake

Institutions
and collections

MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 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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Photos:

Credit	Photos
Photos uploaded by members of the Encyclopedia of Meteorites. (Caution, these are of unknown reliability)
Woreczko Jan & Wadi

Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9116 approved meteorites from (Northwest Africa) (plus 1873 unapproved names)

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