He large turquoise Heishi beads measuring 8 mm in diameter. These rustic blue green turquoise beads are strung carefully to match similar matrix in the stone.All findings are Sterling silver. Rings in Free Black Velvet Box. The item "Native American Turquoise 8 mm Heishi Sterling Silver Bead Necklace Gift A308" is in sale since Thursday, December 6, 2018. This item is in the category "Jewelry & Watches\Ethnic, Regional & Tribal\Native American\Necklaces & Pendants". The seller is "opalturquoise" and is located in Albuquerque, New Mexico. This item can be shipped worldwide.