Green Onyx, sometimes referred to as 'Sulemani', is a semi-precious gemstone. It is known for its cleansing properties and has become increasingly popular in holistic healing practices. In astrology, Green Onyx replaces emerald (Panna) and is considered the birthstone for July. Its status as a knowledge enrichment stone can help improve concentration and learning capabilities. Additionally, it enhances mental stability and strengthens the power of will among those who wear it. It is also thought to be helpful in dispelling fears, helping eliminate negative thinking patterns, and encouraging one to look forward towards a more positive future.