derbylite

== English == === Etymology === Named after American geologist and director of the Brazilian Geological Survey Orville Adalbert Derby (1851–1915), who worked in the type locality in Brazil, +‎ -lite. === Noun === derbylite (mineralogy) A monoclinic-prismatic mineral containing antimony, hydrogen, iron, oxygen, and titanium. === Further reading === David Barthelmy (1997–2026), “Derbylite”, in Webmineral Mineralogy Database. “derbylite”, in Mindat.org, Keswick, Va.: Hudson Institute of Mineralogy, 2000–2026.