The blue color has been traced to a large copper deposit at the mountain it is mined ... Mish Fine Jewelry Turquoise Nugget Waterfall necklace in 18K gold with 320 grams turquoise and brown ...

10 Pieces of Turquoise Jewelry Worth Investing in, From Harry Winston to Irene Neuwirth and More The vivid stone gets a fresh perspective in these designs. Published on August 5, 2022 ...

TEHRAN (Tasnim) - For at least 2,000 years, the region once known as Persia, has remained the most important source of turquoise. Its sky-blue turquoise has always been a magnet for beauty seekers ...

A charmed life: Reclusive copper heiress' jewelry brings $21million at New York City auction . By ASSOCIATED PRESS and JENNIFER MADISON . Published: 01:36 EDT, 18 April 2012 | Updated: 01:42 EDT ...