Silver w/ Marcasite & Connemara Marble Celtic Cross-Irish Made Celtic Cross necklace measures approximately 1  tall x  wide and 18" long standard chain. Crafted from Connemara Marble and sterling silver. Nickel and allergy free. Comes in a beautiful gift box for easy gift giving and a lovely presentation. Made by Solvar Ltd. in Co. Dublin, Ireland and stamped at Dublin Castle for authenticity.