Gruvaktiebolaget Viscaria engages in the exploration and evaluation of mineral resources in Sweden. The company primarily focuses on copper. It also holds interests in Viscaria copper mine in Kiruna; and various processing concessions and exploration permits in Arvidsjaur and Smedjebacken. The company was formerly known as Copperstone Resources AB and changed its name to Gruvaktiebolaget Viscaria in May 2024. Gruvaktiebolaget Viscaria was incorporated in 2006 and is headquartered in Kiruna, Sweden.