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7.72g Lodranite Rare Primitive Achondrite Meteorite End Cut I NWA 11901

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  • $ 308.00


 

On Offer:  7.72 gram end cut of the Lodranite NWA 11901 primitive achondrite meteorite
Class: Lodranite
Origin: Northwest Africa

Official name: NWA 11901

Description: 7.72 gram end cut of the Primitive Achondrite Lodranite Meteorite NWA 11901. The primitive achondrites are thought to represent a transitional phase between chondrites and achondrites.

What you get:  7.72g end cut of Lodranite Meteorite NWA 11901 as Shown, Membrane Storage/Display Box, signed Certificate of Authenticity 

I offer a 100% no questions asked 30 day return policy.  
SEE OFFICIAL METEORITICAL BULLETIN DATABASE ENTRY BELLOW
Northwest Africa 11901
Basic information Name: Northwest Africa 11901
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11901
Observed fall: No
Year found: 2017
Country: Western Sahara
Mass: 662 g
Classification
  history:
Recommended:   Lodranite

This is 1 of 81 approved meteorites classified as Lodranite.
Comments: Approved 31 Aug 2018
Writeup
Writeup from MB 107:

Northwest Africa 11901 (NWA 11901)

Western Sahara

Purchased: 2017

Classification: Primitive achondrite (Lodranite)

History: Purchased by Dustin Dickens from nomad near Dahkla in Western Sahara.

Physical characteristics: Many identically appearing pieces. Weathered exterior. A saw cut reveals an interior of coarse green and brown crystals. Opaque grains are scattered throughout.

Petrography: (C. Agee, UNM) This meteorite consists primarily of olivine and Cr-diopside; low-Ca pyroxene and plagioclase are absent. Most grains are in the 1-3 mm size range.

Geochemistry: (C. Agee, UNM) Olivine Fa11.0±0.1, Fe/Mn=38±5, Cr2O3=0.03±0.01 (wt%), n=4; diopside Fs5.0±0.6Wo41.4±2.9, Fe/Mn=14±1, Cr2O3=1.09±0.06 (wt%)n=7.

Classification: Lodranite, opx-absent

Specimens: 22.9 g including a probe mount on deposit at UNMDustin Dickens holds the main mass.

Data from:
  MB107
  Table 0
  Line 0:
Place of purchase: Western Sahara
Date: P 2017
Mass (g): 662
Pieces: Many
Class: Lodranite
Shock stage: low
Weathering grade: moderate
Fayalite (mol%): 11.0±0.1
Ferrosilite (mol%): 5.0±0.6
Wollastonite (mol%): 41.4±2.9
Classifier: C. Agee, UNM
Type spec mass (g): 22.9
Type spec location: UNM
Main mass: Dustin Dickens
Comments: Field name DD-28; submitted by C. Agee, UNM

ID: NWA1190120_7.72_06