Galena
Videos
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
Kohl (cosmetics)
Videos
Kohl is a cosmetic product traditionally made by crushing stibnite. Modern kohl formulations often contain galena, and in some cases charcoal or other pigments. Kohl is similar to eyeliner, and is wid
Galena
…oxidized to anglesite by naturally occurring bacteria and archaea, in a process similar to bioleaching. One of the oldest uses of galena was to produce kohl, an eye cosmetic now regarded as toxic due to the risk of lead poisoning. In Ancient Egypt, this was applied around the eyes to reduce the glare of the…
Eye shot of a woman with kohl
Ancient kohl cosmetic tube from western Iran, dated 800–500 BCE
Ancient Egyptian women wearing kohl, from a tomb mural in Thebes (1420–1375 BCE)
Ancient Egyptian kohl pot and stick, 1800-200 BCE