The contemporary Small Black Onyx Rectangle Necklace from Anna Beck is a versatile addition to your jewellery collection, featuring a deep black onyx stone in a chic, rectangular shape. Black Onyx is thought to have a calming quality and protect the wearer from negative energy. Each cut of stone is unique; the actual colour may vary slightly. Chain Length: 16-18". Stone Dimensions: 11mm x 15mm. Handmade in Bali. Metal: Sterling silver. Presented in official Anna Beck packaging.