Month Modern (Faceted) (Cabachon) Ancient
January Garnet *** Garnet
February Amethyst *** Amethyst
March Aquamarine Bloodstone Jasper
April Diamond *** Sapphire
May Emerald *** Agate
June Alexandrite Pearl/Moonstone Emerald
July Ruby *** Onyx
August Peridot Carnelian Carnelian
September Sapphire *** Chrysolite
October Pink Tourmaline Opal Aquamarine
November Topaz Citrine Topaz
December Blue Zircon Turquoise Ruby