Mahogany obsidian is a reddish brown stone associated with Pele, mother of volcanoes, and is sacred to some Hawaiians.  It is also associated with Pluto, Greek god of the underworld.  
    It helps removes energy blockages and improves circulation.  It also helps with teeth pain and hormonal problems.  It aids in making balances, sensible decisions at home and work.  In psychic work, it is said to help induce dreams and visions and help us reflect on our life and make changes where needed.  It is also believed to help shield us from negative energies, and to give us the strength to follow our convictions.