A semi-precious stone in varying shades of red.
January-garnet or rose quartz February-amethyst or onyx March-aquamarine or bloodstone April-diamond or rock crystal May-emerald or chrysoprase June-alexandrine, moonstone, or pearl July-ruby or carnelion August-periodt or sardonyx September-sapphire or lapis October-opal or tourlamine November-topaz citrine December-tanzanite, zircon, or turquoise
Here are the birthstone of 12 months.. Jaunuary: Garnet February: Amethyst March: Bloodstone, Aquamarione April: Diamond May: Emerald June: Pearl, Moonstone July: Ruby August: Peridot September: Sapphire October: Opal November: Topaz, Citrine December: Zircon, Tanzanite, turquoise