Ytterbite - Definition
ytterbite
n 1: a mineral that is a source of rare earths; consists of
silicates of iron and beryllium and cerium and yttrium and
erbium [syn: gadolinite, ytterbite]
n 1: a mineral that is a source of rare earths; consists of
silicates of iron and beryllium and cerium and yttrium and
erbium [syn: gadolinite, ytterbite]