For lead, the primary ore is galena or lead (II) sulfide (PbS). Galena is a naturally occurring semiconductor, crystals of which lent their name to the early “crystal radios” which used a lump ...

Using lead isotope analysis, the team traced the origins of these trinkets, confirming that they were made from local galena, or lead ore, sourced from the Olkusz deposits in the Silesian-Krakow ...

Mined in Derbyshire and smelted during a period of Roman occupationGalena, the ore of lead, was mined in Derbyshire from the Bronze Age. Romans worked lead ore in Derbyshire where it was smelted ...