Onyx is a banded variety of chalcedony. The colours of its bands range from white to almost every color but most commonly black and white. Black onyx is the most known variety of onyx.
The mystical birthstone of December, Black Onyx is a weighty stone. It is known for its strength as a healing stone and for removing negativity. Black Onyx is a great choice in gemstone due to its versatility. It matches everything so you can choose to mix it with any gemstone. Black Onyx is great in everyday jewellery but also perfect when used in more elegant pieces.