ˈsenəˌīt, ˈsān- noun
( -s )
Etymology: Joachim da Costa Sena, 19th century Brazilian mineralogist + English -ite
: a mineral (Fe,Mn,Pb)TiO 3 consisting of an oxide of iron, manganese, lead, and titanium occurring in black rounded crystals and fragments in the diamond-bearing sands of Minas Geraes, Brazil