Next, Thibodeau hopes to study turquoise from the Toltec, Maya and Tarascan cultures to understand more about the Mesoamerican trade in the mineral.

In its natural and gem forms, turquoise is blue-green and can be marbled. The mineral is made from copper and aluminum. Smithsonian Turquoise forms when rainwater trickles down into the veins of ...

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 dis ...

adits and other workings in and around Ithaca Peak and Turquoise Mountain. Gold was discovered in the area in 1863, and the camp of Mineral Park was established seven years later with the ...

The marble walls reflect the turquoise color of the water in the cave, tinting them blue. The Marble Caves are natural rock formations with curved walls covered in swirling mineral patterns.