krettnichite

== English == === Etymology === This etymology is incomplete. You can help Wiktionary by elaborating on the origins of this term, particularly: ? + -ite === Noun === krettnichite (mineralogy) A monoclinic-prismatic reddish brown mineral containing arsenic, cobalt, hydrogen, iron, lead, manganese, oxygen, strontium, and vanadium. ==== References ==== David Barthelmy (1997–2026), “Krettnichite”, in Webmineral Mineralogy Database.