Sorry not sure of the stone - its dark blue with bands of white. BLUE STONE RING SZ 4 1/2" is in sale since Friday, July 13, 2018. This item is in the category "Jewelry & Watches\Vintage & Antique Jewelry\Vintage Ethnic/Regional/Tribal\Scandinavian". The seller is "thecrowsfinds" and is located in Sparta, New Jersey. This item can be shipped worldwide.