* {{Cite book |ref= harv|last=Emsley|first=John|title=Nature's Building Blocks: An A-Z Guide to the Elements|year=2001|pages=451-53|publisher=Oxford University Press|location=Oxford}}| id=ISBN 0-19-850341-5</ref>.}}
Titanijum dioksid (B) je pronađen kao [[mineral]] u nekim pukotinama na tektitima, te kao lamele u anatasu iz hidrotermalnih vrela. Ova forma -{TiO}-<sub>2</sub> ima relativno nisku gustinu<ref>{{cite journal|author= Banfield, J. F., Veblen, D. R., Smith, D. J.|title=The identification of naturally occurring TiO2 (B) by structure determination using high-resolution electron microscopy, image simulation, and distance-least-squares refinement|journal=American Mineralogist|year=1991|volume=76|page=343|ref=harv}}
