... , goethite, limonite, siderite, chromite, niobium-tantaalite iron ore, titanium-cerium iron ore, wolframite, itabirite, apatite, xenotime, olivine, sulfur-copper-germanium ore, ankerite ... -21600110001300013000-310~142600×1850×230012.0operation principle picture: Fine paticle chromite ore magnet machine