These stunning earrings feature 2 genuine Black Agate cabochons set inside a timeless, oxidized .925 Sterling Silver geometric shaped drop frame etched with an intricate Southwest-inspired design. While every gemstone in the world is naturally unique, we carefully select the stones for each piece, making your earring one-of-a-kind. Lever-back closures for pierced ears are secure and comfortable.We have been creating jewelry since 1975, and we're proud to share our legacy with you. Made from nickel-free Sterling Silver with 92.5% silver metal, this original piece was designed in Albuquerque, New Mexico, Usa. If oxidation or tarnish darkens the piece over time, simply wipe with a polishing cloth to restore to desired finish. Store in the convenient anti-tarnish zip top bag provided in your shipment.