Ilmenite 2 : An iron-black mineral of composition Fe0 Ti02 having a specific gravity of 4.67. It is used for increasing the density of well cement slurries and drilling fluids. (Bul 10C)
The Mudblogger (Oilfield, Energy and Related Photographs), Oil Field Glossary, TX, USA 2014. http://mudblogger.com/oilfield-glossary/, (Oil - Amer) {777}