Agate is believed to discern truth, accept circumstances and is a powerful emotional healer. Legend says that Agate improves memory and concentration, increases stamina and encourages honesty. Agate is said to be particularly beneficial to people born under the sign of Gemini as it helps them to remain calm and focused.
It is believed to prevent insomnia and insure pleasant dreams, to enhance personal courage and protect one against danger. Agate provides a calming influence, improves perception, concentration and helps to develop and increase one's analytical talents.