The Chrysoberyl mineral family includes the extremely rare variety of gemstone known as alexandrite. The most valuable gemstone in the world is called Alexandrite, after the Czar of Russia, Alexander II. This alluring stone is renowned for showing a distinct color-change effect that heightens the gemstone’s beauty. Meaning of Alexandrite Stone June’s birthstone, alexandrite, also serves as a symbol of a couple’s fifty-fifth wedding anniversary. This gemstone is suggested by astrologers for Cancer signs.…