birthstone / zodiac chart

Birthstone Month
Ancient
Birthstones
Traditional
Birthstones
Modern
Birthstones
January Birthstone
Red Garnet, Ruby, Amethyst
Amethyst Crystals, Garnet
Rose Quartz,
Moss Agate, Sugilite
February Birthstone
Amethyst
Amethyst Crystals
Aquamarine Stones, Bloodstone, Sapphire,
White or Clear Topaz
March Birthstone
Bloodstones
Diamond
Aquamarine Stones
April Birthstone
Diamond, Sapphire
Diamond
Clear Quartz,
Herkimer Diamond
May
Birthstone
Emerald Gemstones
Agate
Emeralds
Rose Quartz,
Azurite, Chrysoprase
June Birthstone
Agate
Citrine
Crystals
Rainbow Moonstone, Green Chrysoprase, Alexandrite
July
Birthstone
Ruby Stone
Onyx
Ruby Stone
Rainbow Moonstone, Orange Carnelian
August Birthstone
Carnelian, Sardonyx
Peridot (formerly called Topaz)
Green Tourmaline
September Birthstone
Zircon
Blue Sapphire
Lapis Lazuli
Sapphire
Moss Agate, Jasper
Peridot Gemstones
October Birthstones
Aquamarine Stones
Pink
Tourmaline
Jasper, Lapis Lazuli,
Peridot Gemstones
November Birthstone
Golden Topaz
Beryl
Obsidian, Apache Tears, Citrine Crystals
December Birthstone
Ruby, Turquoise
Blue Topaz, Garnet
Lapis Lazuli, Tanzanite Crystals, Onyx

Source: http://www.healing-crystals-for-you.com/birthstone-list.html