My morning walk took me by the Oroville High School, and since no students were there at 6 a.m., I entered the opened gate. Passing through, I saw some bright blue objects under a shady tree, and I ...

Turquoise is the sky-blue gem that captivated humanity for ages are found to be generously studded in varieties of jewellery. This most popular gem has entwined many cultures across the world.

Popularized by Turkish traders, embraced by Native Americans and now mined extensively by the Chinese, turquoise varies so widely in color and form that many American Indians say no two stones are ...

ALBUQUERQUE, N.M. (KRQE) — It’s a “hydrated phosphate of copper,” but you may just know it as turquoise. The blue-green mineral widely regarded as a gemstone has significant deposits across the world, ...