... for separation of granularity ranged from 4mm to 0.02mm metallic minerals such as iron, ilmenite, chromite, tungsten-tin ore, niobium-tantalum ore, gold ... different feeding particle sizes. it is especially for concentrating sand ore in beach, riverside, seashore and stream.Features of Spiral ... our Spiral Concentrator , send me the inquiry at any time. Iron Ore Beneficiation Spiral Concentrator