"Floyd Namingha Lomakuyvaya" Men's Hopi Turquoise Ring | Sterling Silver | Estate c.1970's

A Bit About The Piece: A Hopi signed, freeform cabochon cut turquoise men's silver ring. Details, details... The Stone: Turquoise freeform cabochon cut stone measurements: 20.84mm x 13.18mm likely origin: Royston likely stabilized The Setting: Handmade and Assembled Bezel Set Ring .925 sterling silver, solid approximate default size: 9.75 top of ring width: 29.35mm 14.52 grams signed with the letter "T" by Hopi artist, Floyd Namingha Lomakuyvaya   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 chrysocolla are not uncommon.   Turquoise ranks 5 to 6 on the Mohs scale of hardness.  Because this is often not suitab