The use of turquoise in jewelry dates back more than 7,000 years to ancient Europe. Later, it was sought by early American Indians as a good luck charm. Now, with this beautiful Bear Ring, enjoy a good luck charm of your own with its inlaid turquoise chip. Dimensions: 5/8W x 7/8H. Whole sizes: 7-13. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Rings.