You're looking at an iron-oxide (rust) stain in a granite countertop that could be millions of years old. In my opinion, it's not a defect. (Courtesy of Tim Carter) (Tim Carter) Perspective by Tim ...

Rust, often considered the cancer of the automotive world, is the enemy of anyone who loves cars, trucks, or any items mainly constructed of steel or iron. Rusting or oxidation is defined as a ...