Baddeleyite - ZrO₂

Habit: Crystals short to long prismatic, usually flattened, sometimes radially fibrous or in botryoidal masses. Colourless to yellow, green, greenish or reddish brown, brown, black Transparent, vitreous to greasy Luster.

Environment: An accessory mineral in carbonatites and kimberlites; in syenites, diabases, gabbros, anorthosites; in gem gravels; also in lunar basalt, tektites and meteorites.

Etymology: Named for Joseph Baddeley who first called attention to the Sri Lankan material