Baddeleyite is a rare zirconium oxide rarely found in good crystals such as this, and it's from Burma! The mineral is named for Joseph Baddeley, a British geologist who sent several samples of unusual minerals to the Museum of Practical Geology in London for analysis that ultimately led to the discovery of this species. This is an excellent Baddeleyite thumbnail single crystal for the species with exceptionally sharp form and and blackish color displaying a submetallic luster! This bladed prismatic crystal is terminated on one end and shows light striations along its length. It has a mass of 1.06 grams. Superb, for the species, this is large and displayable.