On Earth, sulfur is usually found in sulfide minerals, where an atom with a positive charge binds with one or more negatively charged sulfur atoms. Examples include chalcocite (copper sulfide ...

The Cu POX process is a proven hydrometallurgical method for the treatment of copper sulfide concentrates at lower capacities ...

Pyrite, chemically known as iron sulfide (FeS₂), is one of Earth’s most common sulfide minerals ... in the cubic system provide natural examples of atomic stability and symmetry, with ...

The world's first seafloor massive sulfide mining project contract has been signed between Nautilus Minerals Inc, a mining company with headquarters in Canada and Tongling Nonferrous metals group ...