Glass Opal Sterling Silver Necklace

Australian Opal A deep blue, like calm and translucent glass, Large splashes of iridescent color, like enamel color blocks, dazzling iridescence, Unlike the lively and dreamy presentation of "Sparkle". A combination of boulder opal (top) and black opal (bottom), Asymmetrical swirling lines entwined, Showcasing a gemstone hard-won from millions of years of deposition. Opal hardness is 6, A hydrated silica mineral with an amorphous structure. A beautiful mineral formed over millions of years, its water content can range from 5% to 25% depending on the environment, and it can also be deposited in fossils. Opals produced in Australia generally have a lower water content, making them more suitable for Taiwan's climate. . S925, S980 4.8*1.9cm