yttrocrasite
noun1
- An oxide of (primarily) titanium and yttrium, with small to moderate amounts of thorium, uranium, cerium, and calcium substituting for some of the yttrium and traces of iron, tungsten, columbium, and tantalum substituting for some of the titanium.
- Yttrocrasite, associated with allanite, gadolinite, and fergusonite, occurs as a minor rare earth constituent of the inner intermediate zone. — 1977
forms
yttrocrasites