allochalcoselite

== English == === Etymology === Derived from the Greek άλλος allos meaning different, χαλκός chalkos meaning copper and the element selenium, reflecting the different valences and the behavior of copper in this mineral. allo + chalco + selenium + -ite === Noun === allochalcoselite (mineralogy) A brown monoclinic mineral containing chlorine, copper, oxygen, selenium, and lead. ==== References ==== “allochalcoselite”, in Mindat.org‎[1], Hudson Institute of Mineralogy, 2000–2026.