The story
From Connell + -ite, as it was first examined chemically by Prof Arthur Connell FRSE in 1847.
Etymology from Wiktionary, CC BY-SA 4.0.
connellite
Today it means: A rare hexagonal hydrous copper chlorosulfate mineral with the chemical formula Cu₁₉(SO₄)(OH)₃₂Cl₄ · 3H₂O. Full definition →