Native American Navajo Vintage Sterling Silver Turquoise Oval Ring Sz:5.5-No Box

This Vintage Navajo c.1970's sterling silver Bisbee turquoise ring is Natural and comes from the famous Bisbee mine in Arizona. This ring features a beautiful bezel-set piece of natural Arizona Bisbee turquoise encased by silver with solder balls on both sides . This gemstone is NOT stabilized or treated, only mined, backed, carved and polished. Natural Bisbee turquoise gemstones such as this piece are extremely rare and collectable. The famous Bisbee Arizona "Lavender Pit" mine is known worldwide for its massive size and the host rock does have a natural Red/Brown or some say lavender color; most Bisbee turquoise formed in and near this same host limestone material
(the mine closed in the 1970's) **Please see photos and close-up shots as this is a pre-owned item and may have minor signs of wear. Measurements are estimated by the rulers and/or size tags in photos.