NWA 12691 — INTERIOR AND EXTERIOR OF A MOON ROCK REVEALED - photo 1
NWA 12691 — INTERIOR AND EXTERIOR OF A MOON ROCK REVEALED - photo 2

NWA 12691 — INTERIOR AND EXTERIOR OF A MOON ROCK REVEALED

Sold
$ 16 380
Auction dateClassic
23.02.2022 00:00UTC +01:00
Auctioneer
CHRISTIE'S
Event location
United Kingdom, London
Archive
The auction is completed. No bids can be placed anymore.
Archive
ID 716440
Lot 55 | NWA 12691 — INTERIOR AND EXTERIOR OF A MOON ROCK REVEALED
Similar to lots 2 and 14. This is a lunar meteorite — that is to say, a piece of the Moon ejected from the lunar surface following an asteroid impact — that was cut and polished to reveal its matrix. The analysis performed by researchers to confirm its lunar origin was vetted by a panel of colleagues prior to publication in the bible of meteorites — the Meteoritical Bulletin. Lunar specimens are identified by specific geological, mineralogical, chemical and radiation signatures. Many of the common minerals found on Earth’s surface are rare on the Moon; in addition, lunar rocks contain gases originating from the solar wind with isotope ratios that are markedly different than the same gases found on Earth. Finally, lunar samples brought to Earth by the Apollo missions are closely similar to suspected lunar meteorites and this is one such example. Both the external and two cut surfaces reveal a number of inclusions, the result of the bombardment to which the Moon’s surface was exposed prior to the collision responsible for launching this rock to Earth. Now offered is a superior piece of the Moon. A large format microscopic image of NWA 12691 is featured in the next lot.

Christie's would like to thank Dr. Alan E. Rubin at the Department of Earth, Planetary, and Space Sciences, University of California, Los Angeles for his assistance in preparing this catalogue.

This meteorite was analyzed and classified by Dr. Anthony Irving at the University of Washington and his findings underwent peer review prior to publication in the 108th edition of the Meteoritical Bulletin.

57 x 67 x 46mm (2.25 x 2.66 x 1.75 in.) and 104.9g (0.25 lbs)
Address of auction CHRISTIE'S
8 King Street, St. James's
SW1Y 6QT London
United Kingdom
Preview
09.02.2022 – 23.02.2022
Phone +44 (0)20 7839 9060
Email
4FQ.AYGKAGLUQ@FO3G@
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