GEOLOGY

Detailed explanation-1: -Galena is soft with a Mohs hardness of 2.5+ and produces a gray to black streak. Crystals are common and they usually are cubes, octahedrons, or modifications. Structure of galena: Galena has a chemical composition of PbS. That means it contains an equal number of lead and sulfide ions.

Detailed explanation-2: -Galena (PbS) is a lead sulfide mineral and is the most important ore of lead and one of the most abundant sulfide minerals.

Detailed explanation-3: -Galena is the primary ore of lead, and is often mined for its silver content. It is used as a source of lead in ceramic glaze.

Detailed explanation-4: -Galena (PbS) is an ore of lead.