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Lodranite Rare Primitive Achondrite Meteorite 48.2 grams

Top Meteorite

  • $ 1,920.00


 

On Offer:  48.2 gram Lodranite Fragment Primitive Achondrite

Type: Lodranite

Origin: Northwest Africa

Official name: NWA 11901

Description: 48.2 gram Lodranite Primitive Achondrite Meteorite NWA 11901. 
Whenever possible, Top Meteorite acquires meteorites direct from the source in Northwest Africa, allowing us to offer exceptional quality specimens at very reasonable prices.

What you get:  48.2g Lodranite Meteorite NWA 11901 Specimen as Shown, Membrane Storage/Display Box, signed Certificate of Authenticity 

I offer a 100% no questions asked 15 day return policy.  

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 UNM, Dustin 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


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