Birthstones
January—Garnet
February—Amethyst
March—Aquamarine or bloodstone
April—Diamond
May—Emerald
June—Moonstone, pearl, or alexandrite (the latter of which changes colours depending on the type of light hitting the stone and in gem quality is considered more valuable than diamond)
July—Ruby
August—Peridot or sardonyx
September—Sapphire
October—Opal or tourmaline
November—Topaz or citrine
December—Turquoise or zircon