Palo Santo OBSIDIAN Crystal Infused Smudge SprayBlack Obsidian Crystal Infused Smudge Spray Palo santo (Bursera graveolens) is a tree that's native to Peru, Ecuador, and other South American countries. In Spanish, palo santo means holy wood. For thousands of years, the wood, resin, and oil have been used for medicinal purposes. It's mainly used to treat pain and stress. Black Obsidian A strong protective stone that absorbs negative energy and promotes grounding, strength, and emotional stability.