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    Iron, Coarse Octahedrite
    Canyon Diablo (Devil's Canyon)
    Coconino County, Arizona

    The largest and best known meteorite impact crater on the planet is found near Winslow, Arizona. Called "Meteor Crater", it is one of the most popular tourist destinations in America, and the source of this fine and aesthetic meteorite. Approximately 50,000 years ago, this specimen was part of a very large meteoroid that exploded over the Arizona desert with a force of over 100 large atomic bombs creating a gigantic crater over 600 feet deep. The explosion was caused by thermal instability, whereby the tremendous heat, generated by friction as the meteoroid passed through our atmosphere at cosmic velocity, could no longer be dissipated by melting and ablation of the nickel-iron surface of the mass, or by thermal radiation from the surface of the meteoroid. When the heat build-up reached a critical state, there was a sudden, catastrophic release of energy, an explosion, which vaporized the entire mass of the meteoroid. In an instant, over 98.5% of the mass of the meteoroid was converted to a cloud or mist of hot nickel-iron gas and droplets which precipitated as microscopic metal spheres fell to the ground in a white-hot rain of death. Only a few percent of the mass, from the surface of the meteoroid, remained intact as metallic nickel-iron shrapnel and were ejected as much as 11 miles away from the crater. This specimen is one of these rare unvaporized remnants of this cosmic catastrophe. An excellent lustrous example with sharp angular edges, measuring 3 1/2 x 2 3/4 x 1 3/4 inches and weighing 697 grams (1 1/2 pounds).

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

    Auction Dates
    May, 2009
    17th Sunday
    Bids + Registered Phone Bidders: 2
    Lot Tracking Activity: N/A
    Page Views: 2,449

    Buyer's Premium per Lot:
    19.5% of the successful bid (minimum $9) per lot.

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    Sold on May 17, 2009 for: Sign-in or Join (free & quick)
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