Basic Copper Carbonate, Malachite.
Synonyms: Copper Sulfate, Cupric sulphate, Copper(II)sulphate, Blue vitriol, Bluestone, Chalcanthite, CuSO4
Pure copper, 20 wires per inch, 0.97mm holes, 0.3mm wires.
Black copper oxide.
Synonyms: Bronze powder, arwood copper