The Native Earth Color Group pictured is comprised of Black Jade, Tiger Eye and Picture Jasper set in Sterling Silver. Accented on a sterling silver bead necklace. Posts, where applicable are White Gold . Hand crafted and hand made in New mexico by SuperSmith, Inc artists. All SuperSmith Jewelry carries a lifetime guarantee from stones falling out or cracking, with the exception of obvious abuse. Guarantees are handled exclusively by SuperSmith, Inc.