The story
Named after Canadian mineralogist Théophile Eugène Poitevin (1888–1978) + -ite. The surname is of French origin, see Poitevin.
Etymology from Wiktionary, CC BY-SA 4.0.
poitevinite
Today it means: A triclinic-pinacoidal mineral containing copper, hydrogen, iron, oxygen, sulfur, and zinc. Full definition →