... ,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, azorite ... -50.02-0.230-500.5-0.20.251.3 Gravity Spiral Chute for Ore benefication process