Which mineral is commonly mined as a source of the element lead Pb?

Do vitamin supplements provide the same amount of nutrients found in food? What is the summit of a volcano? What is the abstract noun for known? What is the chemical that comes from the breakdown of proteins? Is bismuth reactive? What is breaker opening time? What type of scientist uses fossils to reconstruct Earth's history? Are lipids cutin? What does 5.3 liters equal in ml? What happens to first offense possession marijuana 4 ounces or less but more than 2 ounces? Do snails sleep? What do all cheek cell images have in common? Is the word state creek a proper noun or common noun? What species did Mendel study inheritance in? What if a visible star supernova in your eyesight? What did marie curie do for fun? Explain what it is about the origin of cells that makes it possible for proteins to be expressed by homologous genes to be functionally interchangeable in different organisms? What is the 1968 Jefferson nickel with both sides heads worth? In some freshwater organisms there is a structure called a contractile vacuole that regulates water movement into and out of the cell. What explains the existence of the CV? Does a power outage happen when theres an eclipse?

Which mineral is commonly mined as a source of the element lead Pb?