The plaque which has recently been found is described as a mosaic of turquoise and jade, and, like the preceding find, is on a foundation of wood, now decomposed. It lies in a stone box under a ...

In its most iconic form, turquoise looks like a clear blue sky. Beneath that tranquil surface, however, there is a complicated stone. ‘‘It is not about color,’’ said Joe Dan Lowry ...

The Museum of Indian Arts and Culture in Santa Fe invites you to take a journey through the ages to learn more about this precious stone in “Turquoise, Water, Sky: The Stone and Its Meaning”.

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 ...