Crossword clues for ytterbite
Wiktionary
ytterbite
n. (context obsolete English) gadolinite: a black, vitreous mineral consisting primarily of silicates of various rare earths including ytterbium
WordNet
ytterbite
n. a mineral that is a source of rare earths; consists of silicates of iron and beryllium and cerium and yttrium and erbium [syn: gadolinite]