neotocite
noun
ne·ot·o·cite
nēˈätəˌsīt
plural -s
: a mineral consisting of a hydrous silicate of manganese and iron but having an uncertain formula
Word History
Etymology
Swedish neotokit, from Greek neotokos newborn (from ne- + tokos childbirth, offspring, from tiktein to give birth to, beget) + Swedish -it -ite