Gem Color(s) Birthday Anniversary Amethyst Purple February Sixth Aquamarine Light Blue March None Citrine Amber/Gold November Thirteenth Emerald Green May None Garnet Any except Blue January None Iolite Violet/Blue None Twenty First Opal Multi-Colored October Fourteenth Pearl white, cream and gold, grey, blue and black with hues of rose, lilac, and green June third and thirteenth Peridot yellowish-green, bright green, and pleasant olive hues August sixteenth Phenomenon Multi-colored None None Ruby Red July fortieth Sapphire Blue, Yellow, Red and Pink September fifth and forty-fifth Spinel Red None None Tanzanite Blue and Purple None None Topaz Blue November Twenty Third Tourmaline Multi-Colored October None Zircon Multi-Colored December None Text and images provided courtesy of American Gem Trade Association