Our master designers have crafted this unique sterling silver necklace with a Connemara marble heart. This piece comes with a 18 inch sterling silver trace chain and has been Irish hallmarked by the Assay office at Dublin Castle. 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. All our Connemara Marble is certified Authentic and supplied by Joyce marble quarries in the Beanna Beola mountain range of Connemara, Ireland.