ID 927010
Lot 14 | NWA 13885 — SLICE OF A ROCK FROM MARS
Valeur estimée
$ 7 000 – 10 000
It had long been believed that an exotic group of meteorites were likely to be planetary in origin and most likely specimens of Mars, and then researchers provided the smoking gun in 1983. Minute amounts of gas were found in tiny glassy inclusions of suspected Martian meteorites. The gas was analyzed and found to match perfectly with the signature of the Martian atmosphere as reported by NASA’s Viking missions.
The cut and polished surface of NWA 13885 reveals coarse crystals with orange-brown olivine phenocrysts set in a light green-brown groundmass. Prominent veins of shock melt are in evidence. This meteorite is primarily composed of pyroxene, olivine, ilmenite, chromite, troilite — the last of which is extremely rare on Earth — and the impact glass maskelynite, which is unknown to occur on Earth except in meteorites. The exterior rim contains camel-hued highlights, an artifact from the Sahara which bonded with the outer surface of the meteorite. Modern cutting.
The analysis of this meteorite was led by Dr. Carl Agee, whose findings underwent peer review by the Nomenclature Committee of the Meteoritical Society. The analysis and classification was published in the 110th edition of the Meteoritical Bulletin — the official registry of meteorites.
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.
125 x 77 x 3mm (5 x 3 x 0.1 in.) and 66.86 grams
| Catégorie: | Météorite martienne, Météorite |
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| Catégorie: | Météorite martienne, Météorite |
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