Pearl is the official birthstone of the month of June. It is also the accepted anniversary gemstone for the 3rd and 30th years of marriage. The June birthstone of the Pearl is considered to be the birthstone for Gemini (The sign of the Twins) and relate to those born between May 21 - June 21. The Zodiac sign of Gemini also responds to emerald, Alexandrite, Agate and the Ruby. The Latin word for pearl literally means "unique", attesting to the fact that no two pearls are identical. In the romance languages ......