It is called the orator's stone. Its color is most often light blue. Sagittarius, Capricorn,
Lucky stone for those born under the zodiac signs of Gemini, Cancer, and Virgo.

It was more than likely named after the city on the Bosphorus - Chalcedon.

Already in ancient times, the Chalcedony mineral, which symbolized air and water, was used for healing purposes. As an interesting fact, the ancient Greek philosopher Socrates always put a stone under his tongue before giving a speech in order to improve his speaking skills.

The blue Chalcedony mineral provides its owner with inner peace, improves communication and makes him confident. It has an anti-inflammatory effect.

It reduces high blood pressure and strengthens the immune system. It reduces the chance of developing edema. In the case of nursing mothers, it increases milk production. It stimulates brain functions and improves memory. This feature can also come in handy during exam periods...

Its medicinal effects include: healing the throat, treating respiratory diseases, relieving hoarseness, removing blocks, among eye problems, it can be effective primarily against glaucoma and travel sickness. Increases the load capacity of the body, harmonizes.