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    Description

    Muonionalusta - Complete Slice of a Meteorite Found North of the Arctic Circle in Sweden's Lapland
    Iron fine octahedrite - IVA
    Northern Sweden - (67° 48'N, 23° 6'E)

    First discovered in 1906, Muonionalusta meteorites are something of a mystery. Recent research indicates the meteorite shower from which this complete slice is derived occurred approximately one million years ago - making it among the meteorites with the oldest known Earth-age. It is also believed Muonionalusta meteorites are glacial erratics, i.e. objects transported by a glacier from their original, ancient strewn field. Muonionalusta is also the first meteorite discovered to contain the mineral Stishovite, a rare and extremely-hard polymorph of Quartz that requires an amount of pressure that is so vast that in the case of a meteorite, a hypervelocity asteroidal impact in interplanetary space is required for it to form. When sliced and etched, Muonionalusta also displays the classic Widmanstätten pattern of a fine octahedral Iron meteorite, which is the shimmering crystalline lattice of its two principal Iron-Nickel alloys Taenite and Kamacite. As there is no environment other than the vacuum of space that can provide such an extended cooling curve to provide sufficient time for this structure to form, the presence of this pattern is diagnostic in the identification of an Iron meteorite, and different meteorites have different patterns. Coated with a thin sheen of Rhodium for jewelry applications, this is a select representation.
    Overall Measurements: 4.74 x 3.75 x 0.10 inches (12.03 x 9.52 x 0.25 cm), weighs 191.7 grams

    [Scale: 1 inch, with mark at 1 cm]


    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
    November, 2017
    4th Saturday
    Bids + Registered Phone Bidders: 9
    Lot Tracking Activity: N/A
    Page Views: 753

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