The word onyx derives from the Greek word "onyx" (fingernail). It is an agate variety, found mainly in black color.
Onyx has been used from ancient times; ancient Greeks and Romans used it mainly for making cameos and intaglios.
Onyx gives strength and eases excessive fears and concerns. It helps eliminating apathy, stress, negative thinking and sharpens creativity and the wits.
It also helps us in reevaluating ourselves, changing habits and enhances eloquence. Onyx is also useful in uncertain situations, providing the clarity to make the correct decision and take control of our lives.
Onyx is beneficial to the teeth, bones and blood disorders.
Onyx is associated with the Base chakra.
Onyx is associated with the Aries, Taurus, Gemini, Leo, Sagittarius, Capricorn, Aquarius and Pisces signs.