Usage examples (34)

• The tablets, he discovered, were made of Tunisian lead, suggesting that the Romans were mining a lead ore known as galena in the African colony.
• ~ Lead is found in nature chiefly as the sulphide (PbS), called galena; to a much smaller extent it occurs as carbonate, sulphate, chromate, and in a few other forms.
• Quartzite, with traces of galena and molybdic sulphide. 3 and 4.
• The most significant lead mineral is galena (PbS, lead sulfide).