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    Description

    Aouinet Legraa - Complete Slice of a Sample from the Asteroid Vesta
    HED achondrite (Eucrite, unbrecciated)
    Tindouf, Algeria - (27° 5'N, 7° 1'W)

    An extremely bright fireball was seen at approximately 11pm on July 17, 2013 in Tindouf and Aum el Assel, Algeria. A search for meteorites was initiated by meteorite hunters living in the Sahrawi refugee camps of Tindouf. Months went by and hundreds of square miles were canvassed but nothing was found. In the course of the search, however, many other meteorites were discovered-including the strewn field of a Martian meteorite shower now known as NWA 8656. Nine months following the fireball, the Aouinet Legraa strewn field was finally located. Preserved by the Sahara, numerous stones with glossy black fusion crust where recovered from the tan desert sands. The leader of the meteorite-hunting expedition wrote, "The men were so happy; the joy we had was nearly same as what water brings when the need is most desperate. Our finding this was not by chance, but the result of hard continuous work, and it is our endless passion for discovery which makes us free men."

    There are only two unbrecciated eucrite falls. This is scientifically significant as the research challenges associated with brecciation (the mixing of materials) are avoided. Overwhelming scientific evidence-including that from NASA's Dawn space probe that orbited Vesta-indicates that almost all eucrites originate from Vesta, the second largest asteroid in the solar system. Aouinet Legraa arrived on Earth as a result of an asteroid having slammed into Vesta which launched material into interplanetary space-some of which entered an Earth-crossing orbit before igniting the passion of discovery for a band of refugees.

    This is a complete slice from one of the larger Aouinet Legraa masses recovered. Vitreous plagioclase laths, abundant bronze-colored sulfides and grains of prismatic pigeonite are abound. To the naked eye there is mottling in a gray matrix. To be more fully appreciated, a magnifying glass will reveal innumerable small crystals and mineral grains packed tightly together. Jet black fusion crust, the result of this meteorite's fiery descent through Earth's atmosphere wraps around the edge of this specimen. This is among the largest complete slices of what is only the second unbrecciated eucrite fall.
    Overall Measurements: 7.75 x 6.25 x 0.1 inches (19.68 x 15.87 x 0.25 cm), weighs 217.9 grams


    Condition Report*: Condition report available upon request.
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    Auction Info

    Auction Dates
    July, 2019
    20th Saturday
    Bids + Registered Phone Bidders: 1
    Lot Tracking Activity: N/A
    Page Views: 223

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