Green Onyx: Background, Significance, Symbolism, Therapeutic Benefits, and More Coming to onyx’s zodiac associations, it is associated with the Leo zodiac sign, and it helps the indecisive Leos who get consumed in self-doubt to make rational, logical decisions that are not impulsive. Also, onyx is the modern February birthstone, so if you want to gift your friend (who is born in February) some gemstone jewelry, you can gift him green onyx jewelry. In this blog, we are going to talk about various things surrounding Green Onyx Meanings, such as its history, meaning, symbolism, and healing properties. So, stay tuned!