NWA 15716

 


 

NWA 15716

Found Sahara, 2022

Achondrite, Vestan

Diogenite (almost indistinguishable from Tatahouine)

Specimen is a 1.85g slice



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Northwest Africa 15716
Basic information Name: Northwest Africa 15716
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 15716
Observed fall: No
Year found: 2022
Country: (Northwest Africa)
Mass: 47.4 g
Classification
  history:
Recommended:   Diogenite    

Comments: Approved 19 Mar 2023
Writeup
Writeup from MB 112:

Northwest Africa 15716 (NWA 15716)

(Northwest Africa)

Purchased: November, 2022

Classification: HED achondrite (Diogenite)

History: The meteorite was purchased from a meteorite dealer in Ouarzazate, Morocco.

Physical characteristics: Two dark grayish rocks with patches of black fusion crust.

Petrography: Achondrite showing a metamorphic texture dominated by up to 1 mm sized interlocking low-Ca pyroxene crystals. Minor pases are chromite, Cr-bearing troilite, troilite, and kamacite.

Geochemistry: low-Ca pyroxene: Fs24.0±0.1Wo2.6±0.1 (Fs23.8-24.1Wo2.5-2.7, FeO/MnO=26-30, n=10)

Data from:
  MB112
  Table 0
  Line 0:
Place of purchase: Ouarzazate, Morocco
Date: P November, 2022
Mass (g): 47.4
Pieces: 2
Class: Diogenite
Shock stage: low
Weathering grade: low
Ferrosilite (mol%): 24.0
Wollastonite (mol%): 2.6
Classifier: A. Greshake, MNB
Type spec mass (g): 9.6
Type spec location: MNB
Main mass: Fabien Kuntz
Comments: Submitted by Ansgar Greshake
Institutions
   and collections		 MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
Kuntz: Fabien Kuntz, France; Website (private address)

 

 

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