Seymchan Iron meteorite - 2.8 g

Description
Seymchan Iron meteorite - 2.8 g
Seymchan, Russia

Seymchan meteorite pendant in stainless steel covered with protective resin.

Seymchan is a pallasite meteorite found in the dry river bed of the Hekandue river, a left tributary of the Jasačnaja river in the district of Magadan, Russia, near the settlement of Seymchan, in June 1967.

The main mass of 272.3 kg (600 lb) was found during a study made in June 1967 by the geologist FA Mednikov. The mass was a triangular meteorite, a thumb print located among the stones of the river bed. A second specimen of 51 kg (112 lb) was found with a mine detector at a distance of 20 m from the first in October 1967 by IH Markov. The main mass was given to the Academy of sciences of the USSR.

During a new expedition in 2004, Dmitri Kachalin recovered approx. 50 kg of new material. In a remarkable way, approx. 20% of the new specimens contained crystals of olivine, revealing the silicate nature of the meteorite. The pallasitic structure had not yet been discovered during studies on small sections of the initial mass, composed only of metal.

Seymchan belongs to the main pallasite group, but it is considered unusual because of its high iridium content. Before the discovery of its pallasitic structure, it had been classified in the abnormal coarse octahedrite IIE. Seymchan is considered to be a stable and rust-resistant pallasite.

Lot details
Main Mineral/ Name Meteorite
Seymchan
Mineral Form/ Type Meteorite
Iron meteorite
Weight
2.8 g
Origin (Region/ City)
Seymchan
Origin (Country)
Russia
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