Obsidian is considered a protection stone, that shields against negativity with truth-enhancing properties. It is said to bring clarity to the mind, drawing out mental stress and tension that sometimes leads to confusion. Home or with you it wards off negative forces.
Obsidian is found in locations which have undergone rhyolitic eruptions. It can be found in Argentina, Armenia, Azerbaijan, Australia, Canada, Chile, Georgia, El Salvador, Greece, Guatemala, Iceland, Italy, Japan, Kenya, Mexico, New Zealand, Papua New Guinea, Peru, Scotland, The Canary Islands, Turkey and the United States.