Mineral ores.
Copper cathode.
Quartz powder.
Iron ore.
Copper concentrate and zinc concentrate.
Ores.
Metal scraps like aluminum scraps..
OCC waste paper.
Virgin silver liquid mercury.
Silver liquid mercury.
Quartz grits, quartz lumps, quartz sand, quartz powder, feldspar potash lumps, feldspar soda lumps, mica.
Quartz grits, quartz lumps, quartz sand, quartz powder, feldspar potash lumps, feldspar soda lumps, mica.
Quartz stone.
Quartz stone or pebbles.
Aquamarine, cat eye aquamarine, tourmaline, topaz, emerald, morganite, sphene, triplite, varynite, moon stone, opal, apatite, spinel, flurite, heliodor, sapphire, quartz and ruby.