Birthstones by month
January: Garnet, Rose quartz
February: Amethyst, Onyx
March: Aquamarine, Tourmaline, Blood Jasper
April: Diamond, Rock Crystal, Sapphire
May: Emerald, Chrysophrase
June: Pearl, Moonstone
July: Ruby, Carnelian
August: Peridot, Onyx, Sardonyx
September: Sapphire, Peridot
October: Opal, Tourmaline, Aquamarine, Opal
November: Yellow Topaz, Citrine, Tigers Eye
December: Blue Topaz, Turquoise, Tanzanite, Zircon

zodiac stones
Aquarius (January 21 to February 18): Garnet, Turquoise, Hawk's-eye
Pisces: (February 19 to March 20: Ameythyst, Amethyst Quartz
Aries (March 21 to April 20): Bloodstone, red Jasper, Carnelian
Taurus (April 21 to May 21): Sapphire, Carnelian, Rose Quartz
Gemini (May 22 to June 21): Agate, Citrine, Tiger's-eye
Cancer (June 22 to July 22): Emerald, Chrysoprase, Aventurine
Leo (July 23 to August 23): Onyx, Rock Crystal, Goldquartz
Virgo (August 24 to September 22): Carnelian, Citrine, yellow Agate
Libra (September 23 to October 23): Peridot, Aventurine, orange Citrine, Smoky quartz
Scorpio (October 24 to November 22): Beryl, deep red Carnelian
Sagittarius (November 23 to December 21): Topaz, Sapphire, Chalcedony
Capricorn (December 22 to January 20): Ruby, Onyx, Quartz-Cats eye