Birthstone for people belonging to the sun sign of Gemini i.e. born between May 21 and June 21 and those born in the month of June is Pearl. The traditional color for Pearl is milky white. Pearl stands for virtues such as faith, friendship and loyalty. Pearl is known to cure health problems related to stomach, spleen, heart, intestine and all kinds of ulcers. It is said that wearing pearls makes a person modest and brings purity in his thoughts.