Galena is a mineral composed of lead sulfide and is the primary ORE of lead. It is often found in association with other minerals such as sphalerite, pyrite, and quartz. The crossword solutions for the term Galena are ORE (3 letters) and LEADORE (7 letters). ORE is a general term used to describe a rock or mineral that contains enough metal or other valuable material to make it worth extracting. LEADORE is a specific type of ORE that contains lead.