It is a natural glass. In healing circles, it is known as a stone of protection with grounding properties, it reduces fantasies and helps clear subconscious blocks. Absorbs and disperses negativity. Powerful healer for those attuned to it. It is a high vibrational stone said to have the ability to allow you to feel rejuvenated and a sense of love for the world. Obsidian is a strongly protective stone, known to shield against negative energy. It is a crystal that promotes strength and patience to overcome challenges.