beckelite
noun
beck·e·lite
ˈbe-kə-ˌlīt
plural -s
: a mineral Ca3(Ce,La,Y)4(SiZr)3O15 consisting of the cerium metals and calcium and occurring in wax-yellow isometric crystals (hardness 5, specific gravity 4.15)
Word History
Etymology
Friedrich Becke †1931 Austrian mineralogist + English -lite