A bluish, grey, or black mineral of metallic appearance, consisting of lead sulphide. It is the chief ore of lead.‘This karsting provides highly permeable rocks in which the sulphide minerals sphalerite and galena represent the valuable mineralization.’
- ‘Vein minerals are barite, calcite, chalcopyrite, galena, pyrite, and sphalerite.’
- ‘The main ore minerals are galena, chalcopyrite, sphalerite, and tetrahedrite that are associated with quartz and barite gangue.’
- ‘The primary ore minerals were not investigated, although galena and pyrite were found as relict masses on several occasions.’
- ‘Similarly, silver has been described replacing a variety of silver minerals, pyrite, and galena.’
Late 17th century from Latin, ‘lead ore’ (in a partly purified state).
Are You Learning English? Here Are Our Top English Tips