ilmenite
- n a weakly magnetic black mineral found in metamorphic and plutonic rocks; an iron titanium oxide in crystalline form; a source of titanium
- To determine how heavy the ilmenite concentrations are at that site and to look for other outcroppings as well, NASA recently decided to conduct telescope surveys of four lunar .
- Around Jacksonville, two companies are mining ilmenite and rutile, from which the wonder metal titanium is produced.
- Florida mines ilmenite and rutile ore.