The lack of a grading system for the popular stone has prompted a father-son team to spend the last five years working on one. Turquoise stones from the blue and green master sets at the Turquoise ...

This article was originally on a blog post platform and may be missing photos, graphics or links. See About archive blog posts. Whether you call it aquamarine, robin’s egg or Tiffany, turquoise is the ...

It may not be a topic you'd think of as reality television fodder, but when you consider that millions of dollars could be at stake in the world of turquoise mining, digging for stones suddenly seems ...

Turquoise - the blue and green gemstone - is often seen as emblematic of the West. A couple of listeners have asked about turquoise mines in Colorado. KRCC’s Shanna Lewis spoke with Clint Cross of ...