kainosite
noun
kai·nos·ite
ˈkīnəˌsīt,
ˈkān-
plural -s
: a mineral Ca2(Ce,Y)2(SiO4)3CO3.H2O consisting of hydrous silicate and carbonate of calcium, cerium, and yttrium
Word History
Etymology
Swedish kainosit, from Greek kainos + Swedish -it -ite