Candelaria Ring by Andy Cadman 9.5 Gallup Trading Heart Ring by Andy Cadman 9 Gallup Trading Andy Cadman Navajo Sterling Silver Handmade Ring Rare High Grade Fox Andy Cadman Navajo Sterling Silver Handmade Ring Rare High Grade Fox. Sterling silver hand stamped ring is set with Natural Fox Turquoise. Ring size: 9. 5 Width: 0. 89" Shank width: 0. 36" Stone size: 0. 73" x 0. 47" Material: Sterling Silver (Silver925) Weight: 0. 65oz (18. 43Gram) Artist Tribe: Andy Cadman (Navajo) Andy was born in 1966, in Gallup, NM. His brothers Darrell and Donovan Cadman, as well as Gary and Sunshine Reeves are all silversmiths. He is the oldest of his brothers, so his stamp work is very deep and wild. His heavy and fine stamp work are popular with high grade turquoise. Stone: Fox Turquoise The Fox Turquoise mine, near Lander County in Nevada was discovered in the early 1900s. It was once Nevadas largest producer of turquoise with some half million pounds. This mine has been closed for quite some time. In prehistoric times, indigenous peoples mined turquoise and found large nuggets. It produced a huge quantity of good quality green or blue green stone with a distinctive matrix. The Fox mine has also been known as the Cortez mine.