Chalcedony in the shades of black, red, brown, and white is known as sardonyx. Iron and carbon inclusions can add colour to this cryptocrystalline quartz, giving it a brown or black hue. It develops hydrothermally in voids or hollows in rocks. Black, white, or green onyx stone is layered with brown or red sard stone to make sardonyx. It seems beautifully banded as a result of this.
The best stones are discovered in India, and the word "sardonyx" is derived from the Greek words "sard" and "onyx," which both indicate "veined gems" and "reddish brown," respectively. They can also be found in Brazil, Uruguay, Germany, and Czechoslovakia. Sardonyx is a mineral that can be found in Oregon and the area around Lake Superior in the United States.
Roman warriors wore sardonyx talismans carved with heroes like Hercules or Mars, the god of war, to ward off evil and bring good fortune. They thought that the stone would endow its wearer with the same bravery and audacity as the person depicted on its face. Sardonyx was seen as having high importance by orators and public speakers throughout the Renaissance because it was thought to bestow eloquence upon the wearer.
A potent talisman for justice, especially when it comes to money or property. Sardonyx gives you the stability and strength needed to have the stamina, vigour, and courage to manifest good fortune based on upright moral principles. You will be able to transform your energies into concrete outcomes with the help of this grounding stone.