No, it is copper and also has a coating so it will not oxidize and discolor.

Costume peices may be stainless steel which will not tarnish but is very cheap and can cause allergies. silver gold and copper will tarnish whether it is plated or not. Use a treated polishing cloth if you have pieces that have antiquing in the grooves and a cleaner (Artbeads has both) for plain ones.

you could try liver of sulfer on the wire.

Copper will oxidize naturally over time due to its chemical nature. Several of our copper components (BC-PEND055, for instance) have been coated in lacquer by the manufacturer to ensure that the copper component will last through the years without changing colors, oxidizing or tarnishing. If a copper component has been lacquered, this information will be noted in the product description on the item page.

Yes, copper is considered to be a base metal. Copper plating is a method used by some manufacturers as a less expensive alternative to using pure copper. We carry both copper plated items and pure copper items because we strive to offer our customers the largest variety of cost and material choices available.

Copper is a base element. You can find it on the periodic table listed as Cu. Therefore, the answer is "No". Arsenic is also a base element. It is on the Periodic Table as Ar. They are both metals. Arsenic is known as a heavy metal and is poisonous to humans. It accumulates in the body over time and can kill you. Copper is not considered poisonous: however, there is a condition called Wilson's disease, in which too much copper in the body shows up as bright flecks in the iris of the eyes.