Aug 20, 2019 · 1. Mineral type: alluvial tin/ placer tin ore 2. Tin concentrate grade 5%, size 05mm 3. Composition: tin, ilmenite, hematite, tantalum niobium, tungsten, silica sand, zircon, etc. 4. Contains sticky mud. Customers requirements: Mainly separate the tin, increase the tin concentrate grade as much as possible; Pick out magnetic minerals 1.