On Offer: 13.58 gram fragment of the Lodranite NWA 11901 primitive achondrite meteorite fragment
Class: Lodranite
Origin: Western Sahara
Official name: NWA 11901
Description: 13.58 gram fragment 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: 13.58g fragment of Lodranite Meteorite NWA 11901 as shown, Membrane Storage/Display Box, signed Certificate of Authenticity
I offer a 100% no questions asked 30 day .
SEE OFFICIAL METEORITICAL BULLETIN DATABASE ENTRY BELLOW
Northwest Africa 11901Basic 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: LodraniteThis is 1 of 81 approved meteorites classified as Lodranite.
Comments:Approved 31 Aug 2018Writeup
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 Fa 11.0 0.1, Fe/Mn=38 5, Cr 2O 3=0.03 0.01 (wt%), n=4; diopside Fs 5.0 0.6Wo 41.4 2.9, Fe/Mn=14 1, Cr 2O 3=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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Product Attributes:
Featured Refinements: Meteorite Slice
Weight (lbs.): 0.50 lb
Length (in.): 12
Width (in.): 10
Height (in.): 3