On Offer: 7.96 gram slice of the Lodranite NWA 11901 primitive achondrite meteorite
Class: Lodranite
Origin: Northwest Africa
Official name: NWA 11901
Description: 7.96 gram slice of the Primitive Achondrite Lodranite Meteorite NWA 11901 with large successive green olivine visible in the upper left of the finished side of the slice. The primitive achondrites are thought to represent a transitional phase between chondrites and achondrites.
What you get: 7.96g slice 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
<
Product Attributes:
Featured Refinements: Meteorite Slice
Weight (lbs.): 0.50 lb
Length (in.): 12
Width (in.): 10
Height (in.): 3