Native American Sterling Silver 3 Green Tuquoise Stone Ring Size 9.5 By Jon McCray.  I purchase Jon McCray;s rings directly from him.  I run a Store in Northeaste Utah close to the Ute tribe.  Jon is a member of the Navajo Nation. Jon travels through our area quite frequently and I purchase many of this items.  He has been making jewlery for over 30 years.  He produces High quality jewlery.  The threen stone are approximately 7/16 square.  The total weight of the ring is .285 ounces.