Galena, or lead sulphide (PbS), is a shiny grey mineral and the main ore of lead. Also known as Silver-Lead, it can be found in Carboniferous and Palaeozoic rocks around the world. In Britain it is found in Derbyshire, Wales, Upper Teesdale, Weardale, Cornwall, Cumbria, and the Yorkshire Pennines.
Use of this mineral can [...]