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Meteorite NWA 12551 - Unequilibrated Rumurutie Chondrite - R3
Meteorite NWA 12551 - Unequilibrated Rumurutie Chondrite - R3

Meteorite NWA 12551 - Unequilibrated Rumurutie Chondrite - R3

$ 0.03

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    Description

    NWA 12551
    NWA 12551
    Found Sahara, 2018
    Rumuruti Chondrite Family
    R3
    Specimen is a 1.87g slice
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    Northwest Africa 12551
    Basic information
    Name:
    Northwest Africa 12551
    This is an OFFICIAL meteorite name.
    Abbreviation:
    NWA 12551
    Observed fall:
    No
    Year found:
    2019
    Country:
    Morocco
    Mass:
    734 g
    Classification
    history:
    Recommended:
    R3
    [explanation]
    This is 1 of 32 approved meteorites classified as R3.
    [show all]
    Search for other:
    Rumuruti chondrites
    ,
    Rumuruti chondrites (type 3)
    Comments:
    Approved 15 May 2019
    Writeup
    Writeup from MB 108:
    Northwest Africa 12551
    (NWA 12551)
    Morocco
    Purchased: 2019 Jan
    Classification: Rumuruti chondrite (R3)
    History
    : Purchased in Zagora in January 2019
    Physical characteristics
    : 29 stones ranging from 1.1 to 82.8 g. Cut surface reveals dark interior with small chondrules set in abundant dark matrix.
    Petrography
    : (J. Gattacceca,
    CEREGE
    ) Chondrite with small chondrules set in abundant matrix. Sulfides are abundant.
    Geochemistry
    : Olivine Fa
    30.8±10.8
    , Fa PMD 31%, range Fa
    13.8-41.3
    , NiO 0.15±0.07 wt%. Low-Ca pyroxene Fs
    30.8
    Wo
    1.5
    (n=1).
    Classification
    : Rumuruti chondrite (R3)
    Specimens
    : Type specimen at
    CEREGE
    . Main mass with
    Kuntz
    .
    Data from:
    MB108
    Table 0
    Line 0:
    Place of purchase:
    Zagora (Morocco)
    Date:
    P 2019 Jan
    Mass (g):
    733.5
    Pieces:
    29
    Class:
    R3
    Weathering grade:
    moderate
    Fayalite (mol%):
    30.8±10.8 (n=8)
    Ferrosilite (mol%):
    30.8 (n=1)
    Wollastonite (mol%):
    1.5
    Magnetic suscept.:
    3.34
    Classifier:
    J. Gattacceca, CEREGE
    Type spec mass (g):
    21.3
    Type spec location:
    CEREGE
    Main mass:
    Fabien Kuntz
    Comments:
    work name K396; 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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