This wasn’t worn much. Chain is Marked 14kt Gold Plated. I don’t know what the cross is made of. Clasp sometimes sticks is the open position. If you just give it an extra light touch it closes. No goldtone color loss on chain or pendant. Jump ring has some color loss. I don’t know what the base metal of the chain is. Cross Approx 2” x 1”. Chain 31” inches long. Approx 4mm Thick.