What is it? 
Black Obsidian
ROOT CHAKRA
Unique Facts:
Black Obsidian is very useful if you are facing any self-controlling issues, or having to face yourself in any way by helping you clear
away from any metal stresses or any physical stresses nearby. 
Where does it come from?
Black Obsidian is formed from cooling Lava from volcanoes
Black Obsidian is high in silica rough 65-85%
What does Black Obsidian Help Heal?
Black Obsidians major Physical Healing properties include tension headaches, arthritis and digestive issues.
Black Obsidians major Metaphysical healing properties are that it will help clear negative energies, help you increase your physic ability, Black Obsidian helps bring clarity to your mind.
Black obsidian can also help clear up any confusion that you may have.