Scrying Mirrors allow you to seek divination and spiritual guidance during meditation by staring into this reflective surface you can unlock a window into deeper unkowns. But don't worry, Black Obsidian is a powerful protection stone that will keep you safe on your vision due to being formed from volcanic lava contacting water and cooling too quickly - which makes it is a combination of fire, earth, and water energies. Black Obsidian is connected to the Root and Earth Chakras which further aid in keeping you safe and grounded.
*Note - Crystals are naturally occurring and come in different color variations.