Is there any truth to the rumor that granite emits dangerous levels of radon gas?
No, this is completely unfounded. Not a single instance of radon has been reported to the Centers for Disease Control in Atlanta. Nevertheless, the Marble Institute of America consulted several of the nation’s leading scientists in geology and geochemistry to evaluate the issue, and spoke with the major granite quarriers and producers in the U.S. Research has shown that actual levels of radon gas emissions from granites are insignificant and generally represent no threat to the health and well-being of people who live or work in buildings with granite countertops, floor or wall tiles, or any other granite furnishings. After a recent party, we discovered a dark red stain, possibly red wine, on our sandstone hearth. What can we do to remove the stain? Because all natural stone is porous, it tends to soak up stain. But it is this same porosity that gives homeowners an edge in stain removal – you simply reverse the process by applying a chemical poultice, which re-absorbs the spill. The ch