Men's Navajo Turquoise Ring | Sterling Silver | Estate

A Bit About The Piece: A handmade, dark blue turquoise men's ring with a silver feather accent. Details, details... The Stone: Turquoise freeform cabochon cut stone measurements: 15.54mm x 16.43mm likely origin: Red Mountain likely stabilized The Setting: Handmade and Assembled Split Shank Bezel Set Ring .925 sterling silver, solid top of ring width: 33.03mm bottom of shank width: 3.42mm approximate default size: 11.75 Additional notes: There are no indicators of the possible date, though we believe the piece to be vintage.  Vanity guess would be 1980's.   About Turquoise: What once was regarded a common byproduct of copper mining is now realized to be a rather scarce gem.  Typically found in or near copper mines around the world, turquoise from each locality differs in color, quality, character, and rarity.  Certain mines are known for producing highly valuable material in very limited quantity.  Inclusions of other copper-bearing minerals such as azurite, malachite, and chrysocol