Turquoise is the traditional birthstone for the people born in December or those belonging to the sun sign of Sagittarius i.e. born between November 23 and December 21. The color associated with Turquoise is sky blue, although it is found in many other colors as well such as yellow green, blue green and apple green. Turquoise is believed to bring good fortune to the wearer. It’s known to heal health problems related to depression, throat, lungs and teeth. Turquoise is known to instill creativity and awaken spirituality in a person.