ID 927000
Лот 3 | NWA 12691 — PARTIAL SLICE OF A MOON ROCK
Оценочная стоимость
$ 5 000 – 7 000
Moon rocks are identified by the sum of a variety of parameters which include their textural, mineralogical, chemical, and isotopic signatures. The classic character of a feldspathic lunar breccia is seen in this example: white anorthite suspended in a charcoal lunar groundmass "cemented" together as part of a melt that solidified. Its primary minerals are anorthite, olivine, pigeonite, augite, fayalite, silica polymorph, ilmenite and kamacite. The brecciation is the result of the ongoing bombardment of the Moon’s surface by asteroid impacts prior to the collision responsible for launching this Moon rock to Earth. In this select specimen of the Moon, a most unusual armored inclusion of anorthite at the lower right margin is seen. Modern cutting.
The official classification of the material from which this partial slice was derived was performed by Dr. Anthony Irving, the world’s foremost classifier of lunar and Martian meteorites. His work underwent peer review prior to publication in the 108th edition of the Meteoritical Bulletin.
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.
93 x 88 x 2mm (3.66 x 3.5 x 0.1 in.) and 43.39 grams
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