NWA 12518 LL3 Primitive Chondrite type 3 Meteorite 6.1 gram part slice

Description

NORTH WEST AFRICA 12518
LL3 TYPE
PRIMITIVE CHONDRITE METEORITE
6.1 GRAM PART SLICE
WONDERFUL LL TYPE 3 PRIMITIVE CHONDRULES
BEAUTIFUL INTERESTING PRIMITIVE METEORITE TYPE 3 METEORITES ARE AMONG THE OLDEST TYPE DATING BACK TO THE EARLY FORMATION OF OUR SOLAR SYSTEM OVER 4 BILLION YEARS AGO MAKING THIS ONE OF THE OLDEST THINGS YOU COULD EVER HOLD IN YOUR HANDS THE MATRIX IS COMPRISED OF WALL TO WALL CHONDRULES
OFFICIAL CLASSIFICATION DATA SOURCE:
The Meteoritical Society
International Society for Meteoritics and Planetary Science
Lunar and Planetary Institute
Meteoritical Bulletin Database
Northwest Africa 12518
Basic information
Name:
Northwest Africa 12518
This is an OFFICIAL meteorite name.
Abbreviation:
NWA 12518
Observed fall:
No
Year found:
2018
Country:
(Northwest Africa)
Mass:
1479 g
Classification
history:
Recommended:
LL3
This is 1 of 431 approved meteorites classified as LL3.
Comments:
Approved 1 Nov 2020
Writeup
Writeup from MB 109:
Northwest Africa 12518
(NWA 12518)
(Northwest Africa)
Purchased: 2018 Aug
Classification: Ordinary chondrite (LL3)
History
: Purchased by John Higgins in August 2018 from a dealer in Zagora, Morocco.
Petrography
: (A. Irving and S. Kuehner,
UWS
) Well-formed chondrules (apparent diameter 850±370 µm, N = 23) are set in a finer matrix containing altered metal.
Geochemistry
: Olivine (Fa
7.8-39.1
, Cr
2
O
3
in ferroan examples 0.03-0.32 wt.%, mean 0.14±0.10 wt.%, N = 8), orthopyroxene (Fs
1.8-20.7
Wo
0.3-3.9
, N = 3), subcalcic augite (Fs
10.3-24.3
Wo
34.2-29.7
, N = 2). Magnetic susceptibility log ? (× 10
-9
m
3
/kg) = 3.95.
Classification
: Ordinary chondrite (LL3)
Specimens
: 55 g including one polished thin section at
UWB
; remainder with Mr. J. Higgins.
Data from:
MB109
Table 0
Line 0:
Place of purchase:
Zagora
Date:
P 2018 Aug
Mass (g):
1479
Pieces:
10
Class:
LL3
Shock stage:
S2
Weathering grade:
W2
Fayalite (mol%):
7.8-39.1 (n=8)
Ferrosilite (mol%):
1.8-20.7 (n=3)
Wollastonite (mol%):
0.3-3.9
Classifier:
A. Irving and S. Kuehner, UWS
Type spec mass (g):
55
Type spec location:
UWB
Main mass:
J. Higgins
Comments:
Work name JH18-4; submitted by A. Irving
Institutions
and collections
University of Washington, Department of Earth and Space Sciences
University of Washington
Catalogs:
References:
Published in Meteoritical Bulletin, no. 109, in preparation (2020)
Geography:
Coordinates:
Unknown.
Statistics:
This is 1 of 8742 approved meteorites from NWA (plus 1879 unapproved names)
IMCA ( INTERNATIONAL METEORITE COLLECTORS ASSOCIATION )
I AM MEMBER # 9822  JOHN HIGGINS. THIS METEORITE IS FROM MY PERSONAL COLLECTION. I AM THE MAIN MASS HOLDER WITH NO BREAKS IN THE CHAIN OF PROVENANCE. MY NAME MATCHES THE ONE LISTED IN THE METEORITICAL SOCIETY BULLETIN OF WHICH I AM A LONGTIME MEMBER IN GOOD STANDING. I HAVE GONE THROUGH GREAT LENGTHS TO PERSONALLY PROCURE, CURATE, CUT, EXTENSIVELY POLISH AND PRESENT THIS METEORITE. THIS OFFICIALLY CLASSIFIED HIGH QUALITY METEORITE  HAS CONTRIBUTED TO THE SCIENCE OF METEORITICS THROUGH RESEARCH LED BY  THE WORLD RENOWN TEAM OF TONY IRVING AND SCOTT KEUHNER.
GUARANTEED AUTHENTICITY
Member of the Meteoritical Society & International Meteorite Collectors Association The authenticity of this meteorite has a 100% guarantee.
Signed Certificate of Authenticity Included
. First class delivery and provenance provided exhibiting important details of the classification & petrography.
1cm scale cube for reference purposes not included.
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.