When water interacts with geological formations, several processes occur. Groundwater is formed when rainwater seeps through rock and soil to ...

Among the most intriguing objects in Turquoise, Water, Sky: The Stone and Its Meaning, a new exhibition at the Museum of Indian Arts and Culture, is a small group of artifacts discovered at U-Bar ...

The Marble Caves sit on the shores of a turquoise glacial lake in southern Chile. Light bounces off the water onto the walls, ...

Other sites just said it is minerals. So the color is produced naturally, and it is beautiful. Up to that day hiking, I guess I just classified river water as clear, brown (silt impacted) or green ...

Where Did the Aztecs Get Their Turquoise? New analysis shows the blue-green mineral found in Aztec art was likely mined in Mexico, not the American Southwest as previously believed ...

During the 1950s, jewelers replaced the diadem’s original emeralds with 540 carats of Persian turquoise, turning it into the piece now on display in the museum’s Janet Annenberg Hooker Hall of ...