Myth of Radon and Radiation in Granite

ANY rock can contain radioactive elements.  Most of the threat of radon in the home comes from the rocks found in the earth and soil outside and underneath your home.  The amount of threat from granite, or any stone, inside your home is minute compared to the dirt in your backyard.  

 

 
To get some more in depth information regarding this topic of concern, please see the sources below that have extensive research information on this topic:
 
Marble Institute of America

US Environmental Protection Agency