Turquoise (Firoza in Hindi) is a Natural opaque Sky Blue to Greenish Blue to Deep Blue colored stone. Turquoise is one of the most ancient Gemstones known to human civilization. The main sources of Turquoise are Iran (Persia) & Tibet. Persian Turquoise Stones from Nishapur mines of Iran are superior in terms of quality. Turquoise is December month Birthstone as per western astrology. Turquoise is regarded as the sacred stone in the Buddhist community. Turquoise is believed to bestow Wisdom, Good Luck, Fortune & Hope to the wearer.