Galena, also called lead glance, is the natural mineral form of lead sulfide. It is the most important ore of lead and an important source of silver.
Galena with minor pyrite
Galena with baryte and pyrite from Cerro de Pasco, Peru; 5.8 cm × 4.8 cm × 4.4 cm (2.3 in × 1.9 in × 1.7 in)
Galena from Sweetwater, Missouri, USA (Sorbonne University).
Galena cat's whisker detector
Lead is a chemical element with the symbol Pb and atomic number 82. It is a heavy metal, denser than most common materials. Lead is soft, malleable, and has a relatively low melting point. When freshl
Galena
…Galena, also called lead glance, is the natural mineral form of lead(II) sulfide (PbS). It is the most important ore of lead and an important source of silver. Galena is one of the most abundant and widely distributed sulfide minerals. It crystallizes in the cubic crystal…
Lead electrolytic and 1cm 3 cube
A sample of lead solidified from the molten state
The Holsinger meteorite, the largest piece of the Canyon Diablo meteorite. Uranium–lead dating and lead–lead dating on this meteorite allowed refinement of the age of the Earth to 4.55 billion ± 70 million years.