The birthstone for June is Pearl and Alexandrite--Pearls are unique because they are the only gem that comes from a living sea creature and it symbols faith, charity, innocence , health and peace. Alexandrite first discovered in 1831, a lovely green color by daylight and purplish red in incandescent light, it symbol......s love, luck and courage . Alexandrite can be costly so alot of people choose pearl. True Alexandrite is very rare and beautiful.