... of iron ore,ilmenite,chromite,pyrite,zircon,rutile,monazite,P B ore,etc. Spiral chute application: This machine is applicable for selecting materials with size ... 0.3--0.02mm, such as iron ore, ilmenite, chromite, pyrite ... .02-0.230-500.5-0.20.251.3 Gravity Spiral Chute for Ore benefication process