A Blonde and Her BagMrs. Parker Simple Chain Necklace in Black Onyx.A semi-precious black onyx stone set in a 14k gold vermeil bezel sitting on either a gold or silver chain.These necklaces will vary slightly due to the individual nature of the stones which are semi-precious and unique.Size - 16" Length Jewelry Name Meanings Hypoallergenic This product is made of metal alloy (silver and copper and other metal alloy) with high quality plating (It will last for a long time without tarnish). Handmade with love in Sausalito, California