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Lunar Meteorite NWA 13715 - Rare lithic clasts (with granulitic texture)
Lunar Meteorite NWA 13715 - Rare lithic clasts (with granulitic texture)

Lunar Meteorite NWA 13715 - Rare lithic clasts (with granulitic texture)

$ 0.66

Availability: 100 in stock
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    Description

    NWA 13715
    NWA 13715
    Found Sahara, 2020
    Achondrite
    Lunar Feldspathic Breccia
    Specimen is a 1.01g slice
    COMBINED SHIPPING : 5$ per package
    "
    Subrounded mineral clasts to 600 µm and rare lithic clasts (with granulitic texture) set in a feldspathic mesostasis (evolving to a melt rock matrix in some areas) with vesicles to 10 µm. Main components are pyroxene and olivine, and feldspathic glass
    ."
    From the Meteoritical society Database :
    Northwest Africa 13715
    Basic information
    Name:
    Northwest Africa 13715
    This is an OFFICIAL meteorite name.
    Abbreviation:
    NWA 13715
    Observed fall:
    No
    Year found:
    2020
    Country:
    (Northwest Africa)
    Mass:
    176.6 g
    Classification
    history:
    Recommended:
    Lunar (feldsp. breccia)
    Comments:
    Approved 20 Mar 2021
    Writeup
    Writeup from MB 110:
    Northwest Africa 13715
    (NWA 13715)
    (Northwest Africa)
    Purchased: October 2020
    Classification: Lunar meteorite (feldspathic breccia)
    Physical characteristics
    : Sixteen black stones with mass ranging from 0.77g to 40.81g
    Petrography
    : (J. Gattacceca,
    CEREGE
    ) Subrounded mineral clasts to 600 µm and rare lithic clasts (with granulitic texture) set in a feldspathic mesostasis (evolving to a melt rock matrix in some areas) with vesicles to 10 µm. Main components are pyroxene and olivine, and feldspathic glass. Other minerals: metal, troilite.
    Geochemistry
    : Olivine Fa
    31.0
    and Fa
    40.3
    , FeO/MnO = 105.5 n(=2). Pyroxene Fs
    19.9
    Wo
    4.0
    , Fs
    15.6
    Wo
    25.0
    , Fs
    13.1
    Wo
    37.4
    , FeO/MnO = 64.2 (n=3). Chromite Cr# = 0.67 (n=1). Feldspathic fraction An
    95.4±0.3
    Ab
    4.2±0.4
    Or
    0.4±0.2
    (n=3).
    Classification
    : Achondrite (lunar feldspathic breccia)
    Specimens
    : Type specimen at
    CEREGE
    . Main mass with
    Kuntz
    .
    Data from:
    MB110
    Table 0
    Line 0:
    Place of purchase:
    Tindouf, Algeria
    Date:
    P Oct 2020
    Mass (g):
    176.6
    Pieces:
    16
    Class:
    Lunar (feldsp. breccia)
    Weathering grade:
    moderate
    Fayalite (mol%):
    35.7 (n=2)
    Magnetic suscept.:
    3.51
    Classifier:
    J. Gattacceca, CEREGE
    Type spec mass (g):
    21.04
    Type spec location:
    CEREGE
    Main mass:
    Kuntz
    Finder:
    anonymous
    Comments:
    work name K525; 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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