petrification

          Petrified does not mean scared it means that it is turned into a rock like substance. but it does not turn that way over night there is a full petrification process before it is totally  petrified, and this is to tell you what that process is like if you don't already know.
         Something that is petrified is actually a fossil it happens when some thing like opal or pyrite get into wood that is totally sealed off from air. Then, almost any mineral that you can think of gets into the wood starting the petrification process.
         Sometimes when it is totally petrified it still has every detail of a tree so people are surprised to hold it because it is so heavy that its almost unrealistic to think that it was once normal tree that grew and flowers.
         
      
    
       I got my information from live science.com
           and geology.com
           also Denver museum of nature and science