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Northwest Africa 13602
Basic information Name: Northwest Africa 13602
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13602
Observed fall: No
Year found: 2018
Country: Algeria
Mass:help 66 g
Classification
  history:
Meteoritical Bulletin:  MB 110  (2022)  H3
Recommended:  H3    [explanation]

This is 1 of 710 approved meteorites (plus 2 unapproved names) classified as H3.   [show all]
Search for other: H chondrites, H chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 18 Dec 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 13602 (NWA 13602)

Algeria, (Northwest Africa)

Find: 2018

Classification: Ordinary chondrite (H3)

History: A single stone weighing 66 g was found by an anonymous finder in Western Sahara and purchased in 2018 at the Verona Mineral Fair by Lucian Cojocaru.

Physical characteristics: The main mass displays clear traces of stained fusion crust.

Petrography: (V. Moggi Cecchi, L. Fabrizi, G. Pratesi, UniFi): The thin section displays a marked chondritic texture, with various chondrule types (PP, PO and BO), sometimes rimmed with metal, set in a fine grained matrix. Olivine is rather inhomogeneous, while orthopyroxene is more homogeneous. Iron oxides, Fe-Ni alloys and troilite are the main opaque phases and can be found as individual grains scattered in the matrix or rimming chondrules.

Geochemistry: EMP (V. Moggi Cecchi, G. Pratesi, UniFi); Olivine in both chondrules and matrix (Fa16.1±4.0; n=31; Fe/Mn = 41.6); low-Ca pyroxene in both chondrules and matrix (Fs14.1±1.7En85.0±1.6Wo0.9±0.2; n=24; Fe/Mn = 19.5).

Classification: Ordinary Chondrite (H3); S1; W4

Specimens: Lucian Cojocaru owns the main mass, weighing 66 g; the type specimen, weighing 16.7 g, and one thin section are on deposit at MSN-FI (Inventory # I-3618)

Data from:
  MB110
  Table 0
  Line 0:
State/Prov/County:Algeria
Place of purchase:Verona
Date:2018
Mass (g):66.0
Pieces:1
Class:H3
Shock stage:S1
Weathering grade:W4
Fayalite (mol%):16.1±4.0 (N=31)
Ferrosilite (mol%):14.1±1.7 (N=24)
Wollastonite (mol%):0.9±0.2
Classifier:V. Moggi Cecchi, L. Fabrizi, UniFi
Type spec mass (g):16.7
Type spec location:MSN-FI
Main mass:Lucian Cojocaru
Finder:Anonymous
Comments:Provisional name NWA 13602; Inventory # I-3618; submitted by Vanni Moggi Cecchi
Institutions
   and collections		 MSN-FI: Museo di Storia Naturale “La Specola”, Sez. Mineralogia – Sistema Museale dell'Università degli Studi di Firenze Via Giorgio La Pira, 4 – 50121 Firenze, Italy; Website (institutional address; updated 24 Oct 2022)
UniFi: Università degli Studi di Firenze, P.zza S. Marco, 4 - 50121 Firenze, Italy (institutional address; updated 14 Sep 2013)
Catalogs:
References: Published in Gattacceca J., McCubbin F.M., Grossman J., Bouvier A., Chabot N.L., D'Orazio M., Goodrich C., Greshake A., Gross J., Komatsu M., Miao B., and Schrader D. (2022) The Meteoritical Bulletin, No. 110. Meteorit. Planet. Sci. 1-4
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Geography:

Algeria
Coordinates:Unknown.

Statistics:
     This is 1 of 1356 approved meteorites from Algeria (plus 30 unapproved names) (plus 4 impact craters)
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Revision
  history:
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