NWA 11901 Primitive Achondrite Lodranite Meteorite 7.6 gram windowed fragment

Description

NORTHWEST AFRICA 11901
PRIMITIVE ACHONDRITE LODRANITE METEORITE
7.6 GRAM WINDOWED FRAGMENT
OFFICIAL CLASSIFICATION DATA SOURCE:
The Meteoritical Society
International Society for Meteoritics and Planetary Science
Lunar and Planetary Institute
Meteoritical Bulletin Database
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:
Meteoritical Bulletin:
MB107
(2018)
Lodranite
Recommended:
Lodranite
This is 1 of 86 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 Fa
11.0±0.1
, Fe/Mn=38±5, Cr
2
O
3
=0.03±0.01 (wt%), n=4; diopside Fs
5.0±0.6
Wo
41.4±2.9
, Fe/Mn=14±1, Cr
2
O
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
Institutions
and collections
Institute of Meteoritics MSC03 2050 University of New Mexico Albuquerque NM
Catalogs:
References:
Published in
MAPS 55
Geography:
GUARANTEED AUTHENTICITY
Member of the Meteoritical Society & International Meteorite Collectors Association #9822 The authenticity of this meteorite has a 100% guarantee. Signed Certificate of Authenticity Included. First class delivery and provided exhibiting important details of the classification & petrography. The entire mass of this meteorite was purchased from Dustin Dickens in person, Tuscon 2020.
1cm scale cube for reference purposes.
SHIPPING: Shipping and Delivery
Includes postage costs, packaging & handling. International shipping may be subject to import duties or other taxes. I normally dispatch your order the following day after payment is completed (Mon-Sat).Your goods will be shipped from USA, if you live outside US, the Items normally take 7-14 days but please allow up to 20 days for delivery in case of postal delays.
COMBINING SHIPMENTS: Please request a total combined invoice after you are done bidding on all items. Postage can vary when buying multiple items based upon weight.