Shop › Red Opal Necklace with Magnetic Heart Clasp Image 1 of 1 Red Opal Necklace with Magnetic Heart Clasp $65.00 16 ½ inches in length with silver magnetic heart clasp.Red opal beads.**Handmade in Westwood, MA Add To Cart Added! 16 ½ inches in length with silver magnetic heart clasp.Red opal beads.**Handmade in Westwood, MA