Turquoise | Semi-precious stone, Copper-Aluminum, Blue-Green | Britannica
Turquoise Stone: Its Meaning, Properties & Value
The healing powers of Turquoise can benefit the whole body, with special strengths in hea… | Turquoise healing, Turquoise healing properties, Crystal healing stones
Green or Blue? The Best Turquoise Is More Valuable Than Diamonds | HowStuffWorks