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Post Info TOPIC: NWA 7397
Blobrana


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Mars meteorite may fetch $ 160,000 at auction

A rare chunk of a meteorite that chipped from Mars after an asteroid impact and landed in Morocco's Sahara Desert is expected to fetch at least $ 160,000 when it goes under the hammer.
The Martian meteorite NWA 7397 was found in 2012 in Morocco's Sahara Desert. Scientists believe it was part of a chunk of Mars that was chipped from the planet when an asteroid impacted it
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Blobrana


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A large piece of a martian meteorite is expected to bring at least $160,000 as part of an auction of natural history items in Dallas, an auction house says.
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SNC - Shergottite
SNC - Shergottite / Mars Rock
Sahara Desert, Morocco

Found in 2012, NWA 7397 contains large ovoid crystals - many of which are chatoyant. The large salmon-hued oikocrysts (crystals that contain other crystals) are composed of low calcium pyroxene, which enclose crystals of olivine and chromite. The reverse is blanketed in fusion crust, an artifact of the meteorite's fiery descent through Earth's atmosphere (where temperatures reached during frictional heating are hotter than the surface of the sun).
NWA 7397 shares the compositional and isotopic fingerprint of other Martian meteorites.

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