If it was let loose on the market there'd be far too many injuries from it, it's very fragile and it's very easy to break pieces off. Lee Green More Quotes by Lee Green More Quotes From Lee Green The biggest advantage with obsidian is that it is the sharpest edge there is, it causes very little trauma to tissue, it heals faster and more importantly it heals with less scarring, it makes for the best cosmetic outcome. Lee Green world The feel is very different because obsidian has no 'bite,' if you look under the microscope at a steel scalpel edge it looks almost like a saw, it has teeth, whereas obsidian is smooth even microscopically. Lee Green world What's really fun is seeing it heal, four weeks later the difference was quite remarkable -- there was very much a difference in scarring. Lee Green world