The story
From ferri- + Oberti (surname, after Prof. Roberta Oberti) + -ite.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: A mineral with the chemical composition Na(Na₂)(Mg₃Fe³⁺Ti)(Si₈O₂₂)O₂. Full definition →
From ferri- + Oberti (surname, after Prof. Roberta Oberti) + -ite.
Etymology from Wiktionary, CC BY-SA 4.0.