The commercially most important minerals of group 12 elements are sulfide minerals.

Galena is one of the most common and widely used sulfide minerals.

Tin is also found in some complicated sulfide minerals.

Pyrite is the most common of the sulfide minerals.

Troilite is the most common sulfide mineral at the lunar surface.

Some sulfide minerals are economically important as metal ores.

Galena is one of the most abundant and widely distributed sulfide minerals.

The sulfide minerals float, while the gangue sinks to the bottom and is removed.

Natural chalcopyrite has no solid solution series with any other sulfide minerals.

A refractory ore generally contains sulfide minerals, organic carbon, or both.