These beautiful earrings have been crafted in sterling silver with Connemara marble and embellished with marcasite for an added sparkle. Connemara Marble is referred to as "Ireland's Gem Stone". It is a very unique and rare form of Marble found in valley of the 12 Bens in Connemara, the heart of the West of Ireland. This beautiful marble, estimated to be over 900 million years old, gets its range of green colour tones from the various natural elements only found in the limestone in this remote and rugged region on Irelands Atlantic Coast.