Our lovely pewter Celtic Onyx Aromatherapy Pendant keeps the living heritage of Celtic knot work alive in this meticulous design. The center knot design features an onyx stone creating an especially dramatic effect. The back of the pendant is smooth, hammered pewter. A secure hinged latch allows for easy opening and closing of the pendant. Perfect for use either as an essential oil diffuser or simply as a striking necklace. This piece makes an impressive statement from every angle! Each of these beautiful pendants are hand crafted in the USA from lead free pewter. A replacement felt pad for oil is included. 24″ chain is included.