pseudobrookite
Mineralogy
noun
A rare black to reddish-brown mineral which resembles brookite and occurs in volcanic rocks as small tabular or acicular crystals.
- Pseudobrookite is an oxide of titanium and ferric iron, Fe2TiO5. Crystal system: orthorhombic..
Origin
Late 19th century; earliest use found in American Journal of Science. After German Pseudobrookit.