hetaerolite

== English == === Etymology === From hetaero- +‎ -lite, from Ancient Greek ἑταῖρος (hetaîros, “companion”) and λίθος (líthos, “stone”), because it was always found in its type locality alongside chalcophanite. === Noun === hetaerolite (mineralogy) A tetragonal-ditetragonal dipyramidal black mineral containing manganese, oxygen, and zinc. ==== Derived terms ==== ==== References ==== David Barthelmy (1997–2026), “Hetaerolite”, in Webmineral Mineralogy Database. “hetaerolite”, in Mindat.org, Keswick, Va.: Hudson Institute of Mineralogy, 2000–2026.