The zodiac symbol for Gemini is the Twins.
Gemini, the Twins, is the third astrological sign in the Zodiac.
The zodiac element for Gemini is Air.
Gemini is ruled by the planet Mercury.
Your astrological, or zodiac, birthsign is Gemini if your birthday is between May 22 and June 21.
In addition, Gemini’s also have a number of other gemstones having an affinity with their birth sign - Agate, Apatite, Aquamarine, Chrysocolla, Chrysoprase, Citrine, Clear Quartz, Dendritic Agate, Emerald, Howlite, Jade, Leopard Skin Jasper, Onyx, Pearl, Peridot, Rutile, Blue Sapphire, Green Sapphire, Serpentine and Variscite.
Click on the above links to read more information about the properties of that particular Gemini gemstone.