Indian Jewelry / Indian Jewelry This ring is made by Donovan Cadman. It features a turquoise stone in the center, along with applique and stampwork. The turquoise appears to be Ithaca Peak, with gold pyrite inclusions. It is in overall good condition, but there is some tarnish typical of silver. [Tribe] Navajo [Artist] Donovan Cadman [Materials] Sterling Silver Turquoise (Mine: Ithaca Peak) [Size] Approximately size 14-15 (Japan) Width: Maximum 18mm - Minimum 11mm Turquoise: 14mm x 7mm Thank you.