Iron ore 64% to 65% high quality ore.
Ore like iridium, rhodium and platinum ore.
Borates and carbonates, manganese ore, iron ore, tantalite (coltan).
Barite.
Mineral of tantalum, kaolin, feldspar, mica
.
Ores and concentrates zn, pb, ag.
Silver concentrate.
Ulexite ore, calcined ulexite, boron.