Price, dollars per metric ton: Rutile, bulk, minimum 95% TiO ... Rutile concentrate 2614.00.6040 Free. Titanium slag 2620.99.5000 Free. Depletion Allowance: Ilmenite and rutile, 22% (domestic), 14% ... Joint Ore Reserves Committee-compliant or equivalent reserves for ilmenite and rutile were estimated to be 38 million and