neotocite
/ˌniːə(ʊ)ˈtəʊkʌɪt/(also neotokite) Mineralogy
noun
A hydrated silicate of manganese, ferrous iron, and often magnesium, (Mn, Fe, Mg)SiO3·H2O, found as black amorphous masses.
Origin
Mid 19th century; earliest use found in James Dana (1813–1895), geologist, zoologist, and teacher. From Hellenistic Greek νεότοκος newborn, recent + -ite, after German Neotokit.