Seymchan pallasite meteorite. Slice containing olivine crystals in a metal, iron and nickel matrix, showing Widmanstätten structures. Weight: 1400 g. Length : 370 mm. Width : 140 mm. Place of discovery: Russia. Comment: The Widmanstätten structures found in meteorites correspond to very slow cooling in space of the order of a few degrees per million years, allowing the metal to crystallize. A very similar-shaped slice from the same block of pallasite is currently on display at the Museum d'Histoire Naturelle in Paris. Prov : Sale Brunel-Dejean de La Bâtie - Natural history April 9, 2018. Lot 22. Please ask for condition reports before the sale: they are not included in the listings.

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