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    Description

    COMPLETE SLICE OF AN EXOTIC METEORITE - A MESOSIDERITE FROM THE SAHARA DESERT
    Mesosiderite - MES
    Sahara Desert

    The specimen now offered was purchased at a mineral show 2010 from a Moroccan dealer who may not have known what he had: a sample of a mesosiderite, a type of meteorite whose mechanism of formation still poses quite a mystery to scientists. Composed of largely equal amounts of stony and iron meteorite components, mesosiderites are one of two types of stony-iron meteorites. In pallasites (see lot 11034), stony olivine is crystalline and suspended in a nickel iron matrix; in mesosiderites, however, the stony and metallic components are breccias whose constituents were "welded" together as a result of repeated impact events in the depths of space. Some of the stony matter found in mesosiderites is eucritic material-which would imply such particles originated from the asteroid Vesta-but the chemistry of other components makes for a far more complex story that is not entirely understood. Mesosiderites are enigmas, and the current example is an uncommonly choice example.
    It measures 64 x 47 x 2mm (2.5 x 1.75 x 0.1 inches) and 19.10 grams.


    Condition Report*: Condition report available upon request.
    *Heritage Auctions strives to provide as much information as possible but encourages in-person inspection by bidders. Statements regarding the condition of objects are only for general guidance and should not be relied upon as complete statements of fact, and do not constitute a representation, warranty or assumption of liability by Heritage. Some condition issues may not be noted in the condition report but are apparent in the provided photos which are considered part of the condition report. Please note that we do not de-frame lots estimated at $1,000 or less and may not be able to provide additional details for lots valued under $500. Heritage does not guarantee the condition of frames and shall not be liable for any damage/scratches to frames, glass/acrylic coverings, original boxes, display accessories, or art that has slipped in frames. All lots are sold "AS IS" under the Terms & Conditions of Auction.

    Auction Info

    Auction Dates
    October, 2013
    19th-20th Saturday-Sunday
    Bids + Registered Phone Bidders: 10
    Lot Tracking Activity: N/A
    Page Views: 1,395

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