NWA 13493 - Eucrite - Igneous Rock with Doleritic Texture - Grain size ~500 μm

Description

NWA 13493
NWA 13493
Found 2020
Achondrite (HED)
Eucrite
Specimen is a 1.60g endcut
COMBINED SHIPPING : 5$ per package
Petrography: (J. Gattacceca,
CEREGE
) Igneous rock with doleritic texture. Grain size ~500 μm. Main minerals are low-Ca pyroxene (exsolved) and plagioclase.
Northwest Africa 13493
Basic information
Name:
Northwest Africa 13493
This is an OFFICIAL meteorite name.
Abbreviation:
NWA 13493
Observed fall:
No
Year found:
2019
Country:
(Northwest Africa)
Mass:
111.6 g
Classification
history:
Recommended:
Eucrite
This is 1 of 487 approved meteorites (plus 1 unapproved name) classified as Eucrite.
Comments:
Approved 14 Nov 2020
Writeup
Writeup from MB 109:
Northwest Africa 13493
(NWA 13493)
(Northwest Africa)
Purchased: 2019 Oct
Classification: HED achondrite (Eucrite)
History
: Bought from a dealer from northwest Africa.
Petrography
: (J. Gattacceca,
CEREGE
) Igneous rock with doleritic texture. Grain size ~500 μm. Main minerals are low-Ca pyroxene (exsolved) and plagioclase. Other minerals: ilmenite, metal, silica polymorph.
Geochemistry
: Low-Ca pyroxene Fs
60.0±0.9
Wo
2.1±0.1
, FeO/MnO = 33.1±1.4 (n=3). Plagioclase An
88.3
Ab
11.2
Or
0.5
(n=2).
Classification
: Achondrite (eucrite).
Data from:
MB109
Table 0
Line 0:
Place of purchase:
Munich, Germany
Date:
P 2019 Oct
Mass (g):
111.6
Pieces:
1
Class:
Eucrite
Ferrosilite (mol%):
60.0±0.9 (n=3)
Wollastonite (mol%):
2.1±0.1
Magnetic suscept.:
2.66
Classifier:
J. Gattacceca, CEREGE
Type spec mass (g):
20.5
Type spec location:
CEREGE
Main mass:
Kuntz
Comments:
work name K474; submitted by Jérôme Gattacceca
Institutions
and collections
CEREGE
: CEREGE BP 80 Avenue Philibert, Technopole de l'Arbois 13545 Aix-en-Provence Cedex 4 France, France (institutional address; updated 29 Oct 2018)
Kuntz
: Fabien Kuntz, France;
Website
(private address)
Check out my
other items
!
WE COMBINE SHIPPING
Payment and Shipping
I combine shipping, means you will pay only one time the S&H fees regardless the quantity in the package. Usualy you will pay a total of 2$ for all your items put together in one, or two packages.
I accept Paypal or bank to bank transfer.
If you have any question, please contact me.