Onyx is an excellent stone for releasing negative emotions such as sorrow and grief, and therefore brings good fortune and helps in recognizing personal strength.
This black colored stone helps in relaxation, and in facing various challenges in life, especially if one suffers from a lack of life energy and exhaustion.
The color of onyx
Apart from mostly being black, can be white, blue, gray or yellow.
It always possesses a characteristic glow.
The black specimens can be extremely shiny, with a sateen reflection.
Some specimens can be partly colored pink, violet or brown. The stones often have bands of different coloration.
Sardonyx is a variation of this stone where the bands are red or white instead of black. Notable occurences are in Brazil, Mexico, USA, South Africa, Madagascar and India.
Is a cryptocrystalline form of quartz.
The etymological origin of the word onyx is thought to come from the Asyrian word for ring, indicating any material which can be used for ring producing.
Onyx is often recommended to athletes as it increases strength, endurance, persevierance, and explosivity, especially if placed on the Solar plexus.