The Udachnaya pipe (, ; ) is a diamond deposit in the Daldyn-Alakit kimberlite field in Sakha Republic, Russia. It is an open-pit mine, and is located just outside the Arctic Circle at .
History
Udachnaya was discovered on 15 June 1955, just two days after the discovery of the diamond pipe Mir by Soviet geologist Vladimir Shchukin and his team. It is about deep, making it the third deepest open-pit mine in the world (after Bingham Canyon Mine and Chuquicamata).
See also
- List of mines in Russia
- Dalnyaya diamond mine
- Zarnitsa mine