What is Obsidian?
For crystal family, Obsidian Crystal is one of the strongest exclusion of negative energy. Obsidian is a precious stone, also known as "Apache tears. According to legend, the Obsidian for my love, meaning no longer cry, happy. Mexico's stone is obsidian.

What is the function of Obsidian?
With strong and pure energy,people usually put it in some place to ward off evil spirits. On the other way,Obsidian crystal can help people improve their sleep and good for some sick people.