Irani Turquoise Gemstone with Adjustable Ring Irani Feroza – Turquoise is a semiprecious gem, composed of hydrous phosphate form of copper and aluminum. The word turquoise is derived from the old French word “Turkish” which dates back to . This gem is known for its unique blue-green color, and even the colored turquoise derives its name from this gemstone. It is highly prized throughout Asia and Africa, not only for its particular hue of bluish but especially for its prophylactic and therapeutic qualities. confidence in its benevolent action. Used in The Arabs consider it a lucky stone and Brass Ring for Men & Women's This ring is suitable for Men and woman having ring sizes between 15 to 30 as per Indian ring size standards. Gemstone is left open from the back side for rays to pass through and reach finger properly. High quality making in our own state-of-the-art manufacturing unit gives this ring a beautiful look. Gemstone certified by a well reputed laboratory.