NAVAJO LYLE PIASO Signed 925 Sterling Silver Kingman Turquoise, Carved Bone & Amethyst Beaded Bear Pendant Necklace 20. Features Kingman Turquoise beads with almost no matrix which is a rare Persian Blue, bone beads and bear pendant. 925 hook clasp features an Amethyst Cabachon. This piece was in my mom's things that I inherited. Please study pics for more info.