Onyx is a stone with chemical formula SiO2 which means that it belongs to the quartz (rock crystal) family. Its hardness is therefore around 7. 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.
Onyx is a gemstone found in various regions of the world including Yemen, Uruguay, Argentina, Australia, Brazil, Canada, China, Czech Republic, Germany, India, Indonesia, Pakistan, Madagascar, Latin America, the UK, and various states in the US
Sold in 15.5" - 16" Strands