Obsidian

Black Obsidian
Black Obsidian is a stone of protection. It's like a vacuum cleaner for negative energy.
Mahogany Obsidian
Mahogany Obsidian is a grounding and protection stone. It is also a strengthening stone that is said to stimulate growth especially in times of need.
Goldsheen Obsidian
As with all Obsidians, Goldsheen Obsidian is a protection stone, but it is also a stone that helps us uncover skills, remove blockages, and find the heart of a problem.