Dear SirWe are in the field of mining and trading minerals for last 25 years. We would like to supply following lumpy form as well powder ranges from 30# , 50# 80# 120# 200# 300# 500# any quantity. 1. Iron ore lumps fines2. Manganese fines. 3. Lime stone 4. calcite 5. dolomite fines6. quartz powder. 7. ...