Assertion: titanium's ore | /r/HasProperty | ilmenite
Facets:
value: usually
type: DEGREE
Source sentences:
text: The ore, usually an ilmenite, is dissolved in sulphuric acid to form a mixture of sulphates.
text: The main ores used in the primary production of titanium are ilmenite and rutile, which respectively account for about 90% and 10% of production.
text: The main ores are rutile (TiO 2 ) and ilmenite (FeTiO 3 ) in beach sand deposits (Western Australia), ilmenite-haematite (Canada), and ilmenite-magnetite (Ukraine) in hard rock deposits (Figure 5).
text: The ore is usually ilmenite, FeTiO 3 .