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*** Meteorite NWA 11228 (Lunar) - 0.7 g ***
*** Meteorite NWA 11228 (Lunar) - 0.7 g ***

*** Meteorite NWA 11228 (Lunar) - 0.7 g ***

$ 10.29

Availability: 100 in stock
  • All returns accepted: Returns Accepted
  • Refund will be given as: Money Back
  • Item must be returned within: 14 Days
  • Featured Refinements: Lunar Meteorite
  • Return shipping will be paid by: Buyer

    Description

    SV-meteorites
    Northwest Africa 11228 (Lunar)
    Small end cuts. 0.7 grams
    Northwest Africa 11228
    Basic information
    Name:
    Northwest Africa 11228
    This is an OFFICIAL meteorite name.
    Abbreviation:
    NWA 11228
    Observed fall:
    No
    Year found:
    2017
    Country:
    (Northwest Africa)
    Mass:
    140 g
    Classification
    history:
    Meteoritical Bulletin:
    MB 106
    (2018)
    Lunar (feldsp. breccia)
    Recommended:
    Lunar (feldsp. breccia)
    This is 1 of 232 approved meteorites classified as Lunar (feldsp. breccia).
    Comments:
    Approved 10 May 2017
    Writeup
    Writeup from MB 106:
    Northwest Africa 11228
    (NWA 11228)
    (Northwest Africa)
    Purchased: 20 Mar 2017
    Classification: Lunar meteorite (feldspathic breccia)
    History
    : Purchased by Dustin Dickens, March 20, 2017, from Mohamed Maulud.
    Physical characteristics
    : Many irregular shaped fragments, dark sand-blasted exterior, no fusion crust.
    Petrography
    : (C. Agee,
    UNM
    ) This meteorite is a fragmental breccia with pyroxene, plagioclase, and olivine grains set in fine grained groundmass. Scatttered micro-gabbro fragments were also observed. Ubiquitous, fine grained, accessory Fe-metal and sulfide are present. Minor amount of shock melt was observed in the microprobe section. All pyroxene grains probed were pigeonite, no augite was detected.
    Geochemistry
    : (C. Agee and B. Ha,
    UNM
    ) Olivine Fa
    40.2±13.6
    , Fe/Mn=93±9, n=10; pigeonite Fs
    36.1±7.9
    Wo
    11.6±3.5
    , Fe/Mn=57±6, n=11; plagioclase An
    94.4±1.1
    Ab
    5.0±1.0
    Or
    0.6±0.2
    , n=5; shock melt (proxy for bulk composition) Al
    2
    O
    3
    =26±1, TiO
    2
    =0.14±0.09, MgO=12±6, FeO=3±2 (all wt%), n=2.
    Classification
    : Lunar (feldspathic breccia)
    Specimens
    : 20.3 g including a probe mount on deposit at
    UNM
    , Dustin Dickens holds the main mass.
    Data from:
    MB106
    Place of purchase:
    Morocco
    Date:
    P 20 Mar 2017
    Mass (g):
    140
    Pieces:
    Many
    Class:
    Lunar (feldsp. breccia)
    Shock stage:
    high
    Weathering grade:
    moderate
    Fayalite (mol%):
    40.2±13.6
    Ferrosilite (mol%):
    36.1±7.9
    Wollastonite (mol%):
    11.6±3.5
    Classifier:
    C. Agee, UNM
    Type spec mass (g):
    20.3
    Type spec location:
    UNM
    Main mass:
    Dustin Dickens
    Comments:
    Submitted by C. Agee
    Shipping to USA by registered air mail - , to Europe -
    We combine items for shipping!
    GOOD LUCK!
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