Number 8. Left 296 carats, 5.5cm by 8.5cm. Right 322 carats, 6cm by 9cm. Provenance - a record of ownership of a work of art or an...

During the period covered in Part One, The Great American Turquoise Rush, 1890-1910 there were many companies competing in the turquoise...

The first turquoise mine to be documented by a Euro American was Mount Chalchuhuitl located in the Cerrillos Hills south of Santa Fe. It...

The Phantom Blue: A Turquoise Fable. By Bob Brucia and Mike Ryan II. It was in 1988 when Mike Ryan and I first heard the story about a...

Before the formation of the American Gem Company in 1919, a young gem miner named Doc Wilson was taken in by gemstone prospectors C.O....