Rough, misc sizes. Black Onyx is associated with new beginnings and regeneration. It was used in health and skincare by the ancients. It has been used to treat blood illnesses, bones, and teeth, while others used it to treat skin diseases like rashes, inflammations, and infected wounds. Helps shed negative emotions. Has a calming effect and aids in overcoming bad emotions, thoughts, and, perhaps, situations. Letting go of the past is a vital part of releasing negativity. Wearing this stone can assist people in letting go of former relationships and letting go of the past. This is perfect for people who can't seem to let go of former relationships, even if they ended years ago, and who prefer to live in the past rather than the present. The healing properties of Onyx will assist you in overcoming feelings of grief, sorrow, or depression. It will provide you with emotional healing as well as sentiments of hope and optimism.