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Meteorite NWA 12963 - Eucrite, Cumulate (one of the 45 classified as)
Meteorite NWA 12963 - Eucrite, Cumulate (one of the 45 classified as)

Meteorite NWA 12963 - Eucrite, Cumulate (one of the 45 classified as)

$ 1.18

Availability: 100 in stock
  • Item must be returned within: 14 Days
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    Description

    NWA 12963
    NWA 12963
    Found Sahara, 2019
    Achondrite, Vestan
    Eucrite, Cumulate
    Specimen is a are a crusted fragment and an endcut, total 0.67g, in a gem box
    COMBINED SHIPPING : 5$ per package
    Northwest Africa 12963
    Basic information
    Name:
    Northwest Africa 12963
    This is an OFFICIAL meteorite name.
    Abbreviation:
    NWA 12963
    Observed fall:
    No
    Year found:
    2019
    Country:
    (Northwest Africa)
    Mass:
    185 g
    Classification
    history:
    Recommended:
    Eucrite-cm
    [explanation]
    This is 1 of 45 approved meteorites classified as Eucrite-cm.
    Comments:
    Approved 29 Nov 2019
    Writeup
    Writeup from MB 108:
    Northwest Africa 12963
    (NWA 12963)
    (Northwest Africa)
    Purchased: 2019 May
    Classification: HED achondrite (Eucrite, cumulate)
    Petrography
    : (J. Gattaccecan,
    CEREGE
    ) Brecciated igneous rock. Main minerals are mm-sized pyroxene and plagioclase. Other minerals include Fe,Ni metal, troilite, chromite (to 100 µm).
    Geochemistry
    : Low-Ca pyroxene Fs
    33.3±0.4
    Wo
    3.4±0.5
    , FeO/MnO=30.5 (n=3). Plagioclase An
    93
    Ab
    6.7
    Or
    0.2
    (n=2). Chromite Cr# 0.81.
    Classification
    : achondrite, eucrite
    Specimens
    : Type specimen and a polished section at
    CEREGE
    . Main mass with
    Kuntz
    .
    Data from:
    MB108
    Table 0
    Line 0:
    Place of purchase:
    Zagora, Morocco
    Date:
    P 2019 May
    Mass (g):
    185
    Pieces:
    1
    Class:
    Eucrite-cm
    Ferrosilite (mol%):
    33.3±0.4 (n=3)
    Wollastonite (mol%):
    3.4±0.5
    Classifier:
    J. Gattacceca, CEREGE
    Type spec mass (g):
    20.3
    Type spec location:
    CEREGE
    Main mass:
    Kuntz
    Comments:
    work name K431; 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)
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