One of a kind larimar gemstone pendant with 18” Marked and test as 925 Sterling silver Plus you receive a 18” 925 Sterling silver chain. The gem is only found one place in our world It is mined and cut in the Caribbean Isle of The Dominican Republic. This stone is known for its unique sea like white swirling patterns on the turquoise blue gemstone Like the sea gazing upon this gem brings feeling of peace and serenity.