Ungrouped Chondrite - CH-UNGR 3.05
    Western Sahara - coordinates unknown
    The 5717th meteorite recovered and classified from the North West African grid of the Sahara Desert is scientifically invaluable: unlike 99.9% of other stone meteorites, the composition of NWA 5717 has remained unchanged since its origins in the gaseous solar nebula. In effect, it provides a rare glimpse of the raw ingredients of the planets. Of the tens of thousands of chondritic meteorites known to exist (meteorites which contain silica-rich spherules), NWA 5717 is so unusual that it is just one of fourteen that are unclassifiable and designated as being ungrouped (CH-UNGR). The 3.05 subtype designation conveys that NWA 5717 is among the most primitive planetary matter known. Only six pounds of similarly primitive planetary material was know to exist priort to NWA 5717's discovery. Moreover, of the tens of thousands of chrondritic meteorites know to exist (meteorites with contain silica-rich spherules), NWA 5717 is so unusual in terms of its composition that it is just one of fourteen that have been deemed unclassifiable and designated as being ungrouped (CH-UNGR). Devoutly sought-after by scientists, scant amounts of this material are available to the collecting community. Packed with a galaxy of chondrules, this complete slice is accompanied by the 2010 Lunar and Planetary Science Conference abstract entitled "The Extra-Ordinary Chondrite: NWA 5717" by Dr. Ted Bunch, who recognized the importance of this meteorite. 104 x 88 x 2mm (4 x 3.50 x 0.1 inches) and 43.48 grams.

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    Auction Dates
    October, 2012
    14th Sunday
    Bids + Registered Phone Bidders: 6
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