awesome obsidian

                                                                obsidian      
1.Obsidian is very sturdy and can-t be destroy by 1block of TNT it can be destroyed by 275 blocks of TNT.                                                  
2.Obsidian is useful with nether portal and it is hard to mine. 
3. Obsidian is really easy to make.
4.Obsidian is usually found deep under ground.
5. You really don't really want to make a house out of obsidian.