All the copper beads on this page are solid copper unless otherwise stated. If you would like to learn about using copper or have the turning green fear read this article in my blog on the subject. At full discount they work out to 10 cents a gram. Copper is also becoming expensive and there are "solid" copper beads being distributed that are an alloy with less expensive metals. Be sure to have a supplier you trust so you know that your copper is not a lead or nickel alloy.