With its brilliant hues of blue and green, turquoise was a highly prized gemstone to the ancient Aztecs and Mixtec in the region that stretches from central Mexico to Central America known as ...

Q: I moved into an old house, and one of the bathrooms is original, I think, with some turquoise tile and a matching turquoise toilet. I love the turquoise color but can’t figure out what color to ...

New chemical analysis of Aztec turquoise artifacts suggests the stone didn’t come from the Southwestern US as archaeologists have long thought, which raises questions about the scale of long-distance ...