Black Obsidian is a highly protective stone that forms a shield against negativity, blocks psychic attack and absorbs negative energies. It helps combat stress and mental tension and helps bring clarity to the mind. It also helps dissolve emotional blockages and old traumas.
 Color: Black volcanic glass
 Chakra: Root
 Class: Silicas
 Locations: Worldwide
 Hardness: 5-5.5
 Estimated number of stones for $10: 28