This stone is very good for cutting ties & ridding yourself of negative connections. If you're struggling to leave a toxic work environment or a relationship that is no longer serving you. You can seek help from black obsidian with its healing properties.
 
Chakra: Root
Cleanse: Soap & water, Moonlight
 
Disclaimer: I am not a medical professional. All information provided is what the Crystal Healing community commonly use gemstones for. Please, stil consult a doctor for any medical necessities.