These radioactive elements in minerals and ores originally found in the ... of radioactive materials include mining and milling of metalliferous and non-metallic ores, production of coal, oil and gas, ...

Arsenopyrite At first glance, arsenopyrite looks like a shiny, metallic gem that ... This mesmerizing green mineral is a uranium ore, which makes it highly radioactive. While torbernite is prized ...

similar to Kola minerals from the Ivanyukit and Lintisit Group, which are used as sorbents, they are highly effective in processing of gained liquid radioactive waste," the scientist said.

During the decay of radioactive elements in the early history of the solar system, many asteroids melted and the iron they contained, being dense, sank to the centre to form a metallic core.