The story
Jacques Emile Dietrich (1926-2009), French geologist, and -ite. Dietrich found the mineral. The name of the mineral was however chosen by one of his friends, Georges Favreau.
Etymology from Wiktionary, CC BY-SA 4.0.
jacquesdietrichite
Today it means: A translucent blue mineral with the chemical formula Cu₂[BO(OH)₂](OH)₃. Full definition →