About Connemara Marble Connemara Marble is mined from deep under the Twelve Bens Mountains in the West of Ireland. In ancient times it was used for trading and barter. In the modern day Connemara Marble has become synonymous with quality Irish Jewellery. It is famed for its beauty, its color and its resistence. As no two pieces of Connemara Marble are identical your piece of jewellery is totally unique.