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Lot 1657
A highly polished rectangular slice of the Seymchan meteorite with an exceptional number of transparent olivine inclusions. See Graham, A.L., Bevan, A.W.R. & Hutchison, R. Catalogue of Meteorites, London, 1985, p.323; report of geologist F. A. Mednikov (Magadan, USSR) in a letter, VIII 15, 1967 and of V. 1. Zvetkov (Moscow, USSR) in a letter X 17, 1967; see also Meteoritical Bulletin No.43, Moscow (1968) and database. 50 grams, 90mm (3 1/2"). From the family collection of a London gentleman; previously acquired on the UK meteorite market; found Magadan district, Russia. The main mass of 272.3 kilograms was found during a survey in June 1967 by geologist F. A. Mednikov. The mass was a triangular-shaped thumbprinted meteorite lying among the stones of the brook bed. A second specimen of 51 kilograms was found with a mine detector at a distance of 20 meters from the first in October 1967 by I. H. Markov. During a new expedition in 2004, Dmitri Kachalin recovered about 50 kilograms of new material. Remarkably, about 20% of the new specimens were found to contain olivine crystals, and so revealed the silicated nature of the meteorite. The pallasitic structure was not previously discovered during studies on small metal-only sections of the original mass. The distortion of the Widmanstatten patterns is interpreted as shearing of the superheated meteorite as it broke up in the Earth's atmosphere.


Extremely fine condition. Rare.

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Seymchan Cut and Polished Meteorite Slice

Estimate £200 - £300May 24, 2018