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NAVAJO ARTIST BERNYSE CHAVEZ HANDCRAFTED RING W/ MULTI-COLORED STONES-ADJUSTABLE
Kingman Turquoise (BLUES) The Kingman mine in northwestern Arizona was one of the largest turquoise mines in North America. The terms “Kingman” or “high blue” refer to the blue color usually displayed in this stone. It has become a color standard in the industry. The mine became famous for its rounded, bright blue nuggets with black matrix. Few turquoise mines produced nuggets, especially of this quality. Old natural Kingman Turquoise is rare. The Colbaugh’s own this mine and the Turquoise Mountain mine, their company name is Colbough Processing. They have recently gone back into the section of the Kingman mine and are digging and bringing some new Natural Kingman Turquoise.
Royston (GREEN) A district in Nevada consisting of three turquoise mines: Bunker Hill, Oscar Wehrend, and the main producer, The Royal Blue. Royston is known for its beautiful colors ranging from deep green to rich, light blues which are set off by a heavy brown matrix. The Royston mine is producing a little high-grade turquoise today, operated by the Ottison family. They process most of their material into finished cabs and allow very little rough to come onto the market. This controlled output has raised the price of this material considerably in recent years.
Spiny Oyster Shell (orange and reddish colors) Living Spondylus shells are, indeed, very spiny, but the polished product looks very smooth, with some of its color variation strongly resembling that of the Blood Oyster. The resemblance is strong enough that it’s important to ask, when purchasing these materials, if they’re from Blood Oyster or Spiny Oyster. Artists often use Spiny Oyster as a substitute for Blood Coral. Although not nearly as rare as the Blood Coral or Rose Coral, divers collect Spiny Oyster by hand, making the work laborious and relatively expensive, with some risks.