There are many variations of zodiac gemstones, depending on belief.
I have selected the more important ones, with the preferred stone/s in bold.
| MONTH | BIRTHSTONE | SWAROVSKI® | SEMI-PRECIOUS GEMSTONES |
December 22 - January 19
Capricorn | 
Garnet | 
Garnet | Agate, Carnelian, Garnet,
Ruby and Turquoise. |
January 20 - February 18
Aquarius | 
Amethyst | 
Amethyst | Amethyst, Bloodstone,
Chrysoprase, Garnet
and Moonstone |
February 19 - March 20
Pisces | 
Aquamarine | 
Aquamarine
| Aquamarine, Bloodstone,
Crystal and Sunstone |
March 21 - April 19
Aries | 
Diamond | 
Crystal
| Bloodstone, Carnelian,
Diamond and Ruby |
April 20 - May 20
Taurus | 
Emerald | 
Emerald
| Emerald, Moonstone,
Sapphire and Tiger's Eye |
May 21 - June 20
Gemini | 
Moonstone | 
Light Amethyst
| Agate, Chrysoprase,
Moonstone and Serpentine |
June 21 - July 22
Cancer | 
Ruby | 
Siam
| Carnelian, Chrysoprase
Emerald and Ruby |
July 23 - August 22
Leo | 
Peridot | 
Peridot | Onyx, Peridot, Ruby,
Rutilated Quartz and Turquoise |
August 23 - September 22
Virgo | 
Sapphire | 
Sapphire | Carnelian, Chrysocolla,
Peridot and Sapphire |
September 23 - October 22
Libra | 
Opal | 
Opal
| Moonstone, Opal,
Peridot and Sunstone |
October 23 - November 21
Scorpio | 
Topaz | 
Topaz | Agate, Aquamarine,
Peridot and Topaz |
November 22 - December 21
Sagittarius | 
Turquoise | 
Tanzanite
| Amethyst, Lapis Lazuli
and Turquoise |
