Black obsidian has always been used as a protective stone to eliminate negative energies. In crystal therapy it is a stone of self-knowledge, it gives mental clarity, brings to the surface the most hidden emotions and thoughts, infuses the energy needed to overcome traumas and fears. Obsidian is associated with the first chakra, the root chakra. It is also a stone that reduces stress.
This beautiful kitten with the crescent moon on her forehead is a character from the legendary series "Sailor Moon"