connellite

== English == === Etymology === From Connell +‎ -ite, as it was first examined chemically by Prof Arthur Connell FRSE in 1847. === Noun === connellite (countable and uncountable, plural connellites) (mineralogy) A rare hexagonal hydrous copper chlorosulfate mineral with the chemical formula Cu19(SO4)(OH)32Cl4 · 3H2O. === Further reading === David Barthelmy (1997–2026), “Connellite”, in Webmineral Mineralogy Database. “connellite”, in Mindat.org, Keswick, Va.: Hudson Institute of Mineralogy, 2000–2026.