Mineral: Sperrylite
Locality: Oktyabr'skoe deposit, Talnakh, Noril'sk, Putoran Plateau, Taimyr Peninsula, Taymyrskiy Autonomous Okrug, Krasnoyarsk Krai, Russia
Dimensions: 5 x 2.5 x 5.5 cm / main crystal: 2.2 cm

Description: Mass: 63 g MIM number:1898 Very shiny, sharp and perfectly formed cubic beveled crystal on a green-brown silicate matrix (probably skarn or serpentinite). This sample is very unusual for this deposit where crystals are mostly cracked and the matrix in which they developed made of sulphides (chalcopyrite, talnakhite, etc.). Photographer: AINU / Augustin de Valence

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