Beautiful Australian Floating opal necklace! This floating opal is made with a mixture of Real Australian opals mixed with Fiery Kyocera opals. Opals float freely like a miniature snow globe. Comes with an 18" 925p Wave chain. The tear Drop is borosilicate glass and is very sturdy and heat resistant! If you have any questions please contact through ETSY. Opal Dimensions are roughly 14x11mm Pinch clasp. Easy to swap chains!