From the mountains of Khorasan Province, Iran Aristotle, Pliny the Elder and Marco Polo all mentioned Persian turquoise in their writings. It has a clear sky-blue color and now is available on the ...

"it’s the official Persian color. Look at any official portraits of Pahlavi [the ousted Shah of Iran who died in 1980] and his family — they are always wearing turquoise, or ‘firozi’ in ...